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Hydrology
Branch of earth science that deals with water as it occurs in the atmosphere, on the surface of the ground, and underground.
Subtopics:
Hydrodynamics (2 items)

Hydrologic maps (28 items)
Related topics:
Results 1 - 286 of 286 listed by similarity [list alphabetically]
Hydrology primer [New Window]
General information on the science of hydrology with information on ground water, surface water, water use, the work of hydrologists, and hydrology as a career.
Global Change Hydrology Program (hydroclimatology) [New Window]
Review of the Global Change Hydrology Program components relating to hydroclimatology and studies of the biogeochemistry of greenhouse gases with links to research activities, datasets, fact sheets, and other publications and websites.
Interagency Hydrology Committee for Alaska [New Window]
Information on the Interagency Hydrology Committee for Alaska, an organization of technical specialists at the federal, state, and local levels who are coordinating the collection and implementation of water resources related data in Alaska.
Hydrologic unit maps [New Window]
Overview of hydrologic unit maps adapted from USGS Water-Supply Paper 2294 giving description of hydrologic units, link to list of hydrologic units, paper maps and digital spatial data sets.
Annual hydrologic data report of Pennsylvania [New Window]
Online annual reports (since 1999) documenting hydrologic data for Pennsylvania gathered from USGS surface water and ground water data-collection networks and information on ordering paper copies of previous years.
Cascades Volcano Observatory - Mount St. Helens real-time hydrologic monitoring [New Window]
Real-time and historic data from gaging stations for water and mudflow detection in the Mount St. Helens, WA vicinity with data tables and plots, interactive location map and station descriptions.
End-of-month hydrologic condition reports for New York State [New Window]
Site to locate most recent or archive reports for end-of-the-month hydrologic conditions with descriptions, data, charts, and maps giving an overview of water conditions during the month for the state of New York.
Hydrologic Instrumentation Facility (HIF), Stennis Space Center, Mississippi [New Window]
Information on the laboratory facility for the development, testing, calibration and storage of USGS hydrologic instrumentation.
Hydrologic conditions for Illinois: Drought perceptions, effects, and assessment [New Window]
Map of stream conditions and links to precipitation data, drought statistics, and information on floods and droughts in Illinois.
Hydrologic conditions for North Dakota [New Window]
Links by map location or station number to real-time stage and streamflow, real-time water quality, ground-water data, long-term hydrographs, and annual water-data reports to view and download for past and current water conditions in North Dakota.
Hydrologic research and development program [New Window]
Program supporting investigations that are generally long-term and multi-disciplinary, and that integrate hydrological, geological, chemical, climatic, and biological information related to water resources issues.
Hydrologic studies in Long Valley caldera [New Window]
Hydrologic monitoring data for Long Valley caldera, California, on springs, streams, wells, fumaroles, and precipitation to study the natural hydrologic variations and the response of the hydrologic system to volcanic and tectonic processes.
Hydrologic studies in Oregon [New Window]
Links to water data studies for river and lake basins in Oregon including ground water and water quality studies.
Hydrologic studies in the Upper Klamath Basin, Oregon [New Window]
Overview of Klamath ecological research and links to USGS Klamath studies on ground water, nutrients, sediment oxygen demand, and fish response to water quality, sucker ecology, publications, bibliographies, and data.
Johnson Creek basin hydrologic monitoring [New Window]
Hydrologic data and analyses of surface-water, water quality, and ground water in the Johnson Creek basin in Oregon.
Michigan hydrologic summary [New Window]
Links to websites providing data and information related to Michigan hydrology including droughts, floods, current water conditions, Great Lakes water levels, climatology, and weather.
Water resources maps and geographic information systems (GIS) information [New Window]
Portal for links to United State water resources maps and geographic information systems (GIS) data for the United States for viewing or downloading.
Water resources of Missouri - hydrologic studies and research [New Window]
Links to USGS research project summaries and publications on water resources in Missouri.
Access USGS - San Francisco Bay and Delta [New Window]
Main page for accessing links for information and data on the San Francisco Bay estuary and its watershed with links to highlights, water, biology, wetlands, hazards, digital maps, geologic mapping, winds, bathymetry and overview of the Bay.
Arbuckle - Simpson GIS Layers (Oklahoma) [New Window]
Digital data sets describing the Arbuckle Simpson aquifer and surrounding areas in Carter, Coal, Johnston, Murray, and Ponotoc Counties in Oklahoma. The data are in shapefile format to create maps for many uses.
Benchmark glaciers [New Window]
Summary of the USGS benchmark glacier program to intensively monitor climate, glacier motion, glacier mass balance, glacier geometry, and stream runoff at three glacier basins, Gulkana and Wolverine in Alaska and South Cascade in Washington.
Bibliography of reports by U.S. Geological Survey authors about the water resources of Wyoming. [New Window]
Bibliography of USGS publications on Wyoming water resources arranged by major areas and by reports series. Bibliography also available in PDF format.
California Water-Quality Assessment [New Window]
Results of activities in California conducted under the National Water-Quality Assessment Program (NAWQA): maps, publications and data.
Canoeing North Dakota rivers [New Window]
Links to streamflow, stage, pictures, maps, river descriptions, and general information for canoeing on North Dakota's rivers. Files are in PDF format.
Classification of natural ponds and lakes in the glaciated prairie region [New Window]
Presents a wetland classification system that reflects seasonal, regional, and local variations in the environment.
Climate and droughts [New Window]
Article from Water Supply Paper 2375 summarizing the correlation of precipitation, temperature, and atmospheric moisture with the frequency and intensity of a drought.
Coal-mine-drainage projects in Pennsylvania [New Window]
Studies by the USGS documenting the extent of surface-water and ground water degradation associated with coal mining in Pennsylvania and the effects of mining and reclamation practices. Includes map of mine sites.
Connecticut water resources publications [New Window]
Links to Connecticut water publications available as HTML and PDF formats.
Cooperative Water Program [New Window]
Program that monitors, assesses, and communicates the results of the quantity and quality of water in rivers and aquifers.
Cooperative Water Program -- a partnership in the Nation's Water-Resources Program [New Window]
Fact sheet (also available in PDF format) on the ongoing partnership in water resources between the USGS and non-Federal agencies primarily state, tribal, county and municipal agencies with water-resources responsibilities.
PDF Discontinuous nature of kriging digital terrain models [New Window]
Research exploring the mathematical properties of kriging, a widely-used surface interpolation method. The continuity properties of kriging digital terrain models over a wide range of terrain types helps hydrologists assess the usefulness of kriging for D
Drought watch - USGS state information on drought [New Window]
Map display that highlights states where the streamflow index at USGS streamgages, averaged statewide, were below normal for the past seven days with links to comparison of recent streamflow values with historic values.
Drought watch Pacific Northwest states: Washington, Oregon, Idaho [New Window]
Drought water homepage with links to maps showing streamflow conditions, drought definitions, resources, publications, and answers to Frequently Asked Questions (FAQs).
Duration and current conditions graphs for selected Pennsylvania sites [New Window]
Plots of streamflow averages and ground water depths for selected hydrologic sites in Pennsylvania.
Ecological studies in the National Water-Quality Assessment (NAWQA) Program [New Window]
Description of cooperative ecological research associated with the National Water-Quality Assessment program with links to current projects, download data, publications, and publications on biological sampling, habitat and laboratory protocols.
Effects of land use on water quality in Michigan [New Window]
Links to projects that provide information on the relation of land use to water quality, sources of pollutants, or trends in water quality.
Estimated freshwater withdrawals in Oklahoma, 1995 [New Window]
1995 freshwater withdrawal estimates for Oklahoma by source and category. Withdrawal data from ground water and surface water for domestic, commercial and agricultural use.
Estimated freshwater withdrawals in Oklahoma, 2000 [New Window]
2000 freshwater withdrawal estimates for Oklahoma by source and category. Withdrawal data from ground water and surface water for domestic, commercial and agricultural use.
PDF Field techniques for estimating water fluxes between surface water and ground water [New Window]
A guide to measuring the flow of water across the ground water surface water interface, with an overview of available methods and details of specific methods to use.
Flagstaff Field Center [New Window]
Homepage for the Flagstaff Field center with links to space science, water and ice studies, earth sciences, biological resources, Grand Canyon Monitoring and Research Center, outreach & education, data and software, and images.
Geographic Information Systems (GIS) in Missouri [New Window]
Website with links to USGS hydrologic, geohydrologic, soil, and geologic projects in Missouri using geographic information systems (GIS) technology with digital datasets of images, models, and maps produced by the projects to view.
Geologic framework and process of the Lake Pontchartrain Basin [New Window]
Field methods, topics of investigation, shoreline changes, publications, and satellite imagery related to geologic and hydrologic processes affecting Lake Pontchartrain and adjacent lakes which form a large estuary in the Gulf Coast region.
Georgia Water-Quality Assessment [New Window]
Results of activities in Georgia conducted under the National Water-Quality Assessment Program (NAWQA: maps, publications and data.
Glossary of water-use terminology [New Window]
Dictionary of terms associated with water use from the publication: Estimated Use of water in the United States in 1990.
Great Lakes Science Center [New Window]
Site for Great Lakes Science Center, Ann Arbor, which provides information about biological resources in the Great Lakes Basin. Links to personnel, publications, data, library, facilities, research vessels, Great Lakes issues, and research.
Great Lakes assessment of water availability and use [New Window]
Information about basin storage, historical changes, and consumptive water use for manages and planners to use to develop policies for efficient and sustainable water use.
Great Lakes issues [New Window]
Water resources problems of the Great Lakes including water use, bacterial contamination on beaches, status of water resources, and ground water flow.
Ground water atlas of the United States [New Window]
The U.S. ground water atlas consists of information on ground water resources of 13 regions covering the 50 States, Puerto Rico, and the U.S. Virgin Islands. Text and maps can be viewed online and downloaded as ASCII, GIF, and *.eps files.
Ground water climate response network [New Window]
Map showing a network of selected ground water wells in the U.S. The water levels in these wells are used to monitor the effects of droughts and other climate variability.
Ground water information pages [New Window]
Lead page to connect to ground water information on the Nation's ground water resources and ground water activities of the USGS. Includes links to ground-water data, news reports, publications, field techniques, models, programs, and issues.
Ground-water data for the Nation [New Window]
National Water Information System (NWIS) real-time data on selected ground water sites, ground water level data, site inventory of wells, test holes, drains, springs and excavations and ground water-quality data for the United States.
Ground-water flow and other computer simulations for Utah [New Window]
Identifies computer models in USGS publications developed to study ground water for many areas of Utah.
Ground-water resources of Louisiana [New Window]
Links to Louisiana statewide aquifer and well information by locating parish on a map or selecting parish, aquifer, region, or type of ground-water data (real-time water levels or geophysical data) from lists.
Ground-water resources program [New Window]
This program encompasses regional studies of ground water systems, multidisciplinary studies of critical ground water issues, access to ground-water data, and research and methods development.
Hudson River salt front data [New Window]
Tide stage, specific conductance, water temperature, and freshwater inflow at selected Hudson River (New York) gages updated every 4-hours to measure the effects of freshwater withdrawals and upstream movement of the salt front.
Hydro-Climatic Data Network (HCDN): streamflow data set, 1874 - 1988 [New Window]
The Hydro-Climatic Data Network, or HCDN, consists of streamflow records for 1,659 sites throughout United States and its Territories. Records span the period 1874 through 1988, and represent a total of 73,231 water years of information.
Hydroacoustic current meters for the measurement of discharge in shallow streams and rivers [New Window]
Description and illustrations of hydroacoustic current meters for measuring the discharge in streams and rivers with links to wading discharge measurements, project progress and plans and references.
Hydroacoustic methods [New Window]
Technical information on acoustic methods of measuring water currents and applications of hydroacoustic techniques to problems in surface water hydrology.
Instantaneous Data Archive - IDA [New Window]
The USGS collects continuous stage, discharge, and other instantaneous time-series data on the nations rivers. This Archive provides streamflow data and historical data, often several years worth.
Kansas drought watch [New Window]
Drought map of Kansas link to real-time data for stream gaging stations and links to historic droughts of Kansas, ground water, drought definitions, and references.
Kansas flood watch [New Window]
Flood map of Kansas link to real-time data for stream gaging stations and links to flood press releases, historic floods of Kansas, flood frequency data, photos, information on hydrology of floods, and flood hazard maps.
Kentucky District - program highlights [New Window]
Brief descriptions of research programs in water resources in Kentucky with a few links to program websites. Programs include data collection projects, acid mine drainage, hydrodynamics, geology, waste site cleanup and hydrogeology.
Large floods in the United States: where they happen and why [New Window]
Discussion of large floods and occurrence in relationship to regional climatology, topography, and basin size.
Lewis and Clark and the U.S. Geological Survey in North Dakota [New Window]
Homepage linking the historic journey of Lewis and Clark and the research of the USGS in the same region with links to mapping history, remarkable points on the Missouri River, educational activities, photo gallery, and publications.
List of spatial data sets for water [New Window]
Links and brief summaries of available geospatial datasets for producing map layers on a variety of topics related to water including data on locations of aquifers, stations, land use and others.
Louisiana HydroWatch [New Window]
Homepage for the statewide real-time hydrologic monitoring network featuring the latest hydrologic information in Louisiana.
Louisiana online water resources publications [New Window]
Links to electronic publications on Louisiana water resources, some in PDF format, and link to bibliographies of electronic and paper publications.
Lower Columbia River dissolved gas monitoring network [New Window]
Links to real-time data for total dissolved gas, temperature, and barometric pressure in lower Columbia River in Oregon and Washington and to project reports.
Maine Cooperative Snow Survey [New Window]
The Maine Cooperative Snow Survey collects, interprets, and distributes information on the depth and water content of Maine's snowpack in the late winter and early spring, when the danger of flooding in Maine's rivers and streams is greatest.
Maine drought information: drought watch [New Window]
Daily streamflow data and drought conditions for Maine.
Maine river ice monitoring system [New Window]
The USGS in Augusta, Maine monitors river and ice conditions in areas of ice accumulation on the Kennebec River near Augusta providing real-time river stage data and real-time pictures of ice conditions at this location.
Major aquifers in New Jersey [New Window]
Geologic description of the principal coastal and non-coastal aquifers in New Jersey and relationship to water quality and water supply.
Massachusetts and Rhode Island District home page [New Window]
Home page for the Massachusetts and Rhode Island District office for water resources with links to drainage basins, water, stream statistics, projects, publications, news reports, and location.
Massachusetts and Rhode Island District projects [New Window]
List of all Massachusetts and Rhode Island District water projects with links to those with homepages.
Massachusetts and Rhode Island District water data [New Window]
Links to streamflow, surface and ground water, water quality, flood, drought, and precipitation data in real-time and for historic time periods for Massachusetts and Rhode Island.
Mercury Studies Team [New Window]
Home page on hydrology studies on mercury, the most common contaminant of aquatic ecosystems, with links to general information, research team projects and data.
Methow River Basin [New Window]
Description of studies conducted to evaluate the surface water, ground water, water interactions, and water quality of Methow River Basin in Washington. With links to related science topics, datasets, maps, project summaries, and news.
Michigan District - USGS Federal-State Cooperator Program [New Window]
Links to websites of state, county and regional, township, municipal and tribal cooperators assisting with the funding and studies of the Michigan District research projects and data collection related to Michigan's water resources.
Middleton (Wisconsin) Data Center [New Window]
Technical information about several water resource database projects with local, regional, and national scope including the National Environmental Methods Index, the National Water Quality Assessment Data Warehouse, and the USGS Publications Warehouse.
Missouri District Surface-Water Data & Analysis Section [New Window]
Overview of the Surface-Water Data & Analysis Section of the Missouri District with links to real-time and historic water data, staff members, and projects on bridge scour and gaging station network.
Missouri District Water-Quality Data & Analysis Section [New Window]
Homepage for the Missouri District Water-Quality Data & Analysis Section with links to data networks, projects, data availability, mobile laboratories, sampling boat, quality assurance practices, and real-time water-quality data.
Missouri River InfoLink: a clearinghouse of Missouri River information [New Window]
Portal for Missouri River Infolinks, a clearinghouse to multiple links giving Missouri information, photo gallery, river weather forecast, projects and features, maps, meetings, history, and science research.
Missouri River streamflow-gaging station, Bismarck, North Dakota [New Window]
Description of the North Dakota stream-gaging program using a Missouri River streamflow-gaging station in Bismarck, North Dakota as an example explaining how and why the USGS collects stream data with photos and directions for visiting the station.
Monitoring program for mercury in precipitation in Indiana [New Window]
Precipitation-monitoring network for mercury in Indiana.
National Handbook of Recommended Methods for Water Data Acquisition -- Chapter 11 - Water Use [New Window]
Provides standards and guidance for measuring, estimating, collecting, and analyzing water-use data. Includes brief descriptions of water-use activities, commonly used water-use terminology, and approaches and methods used in estimating water use.
National Hydrography Dataset (NHD) [New Window]
Main page for National Hydrography Dataset (NHD), a comprehensive set of digital spatial data about surface water features, with links to references, data, software tools, applications, tutorials, technical support, and data maintenance.
National Research Program (NRP) for water resources [New Window]
The USGS National Research Program for water resources supports hydrologic research in support of the mission of the U.S. Geological Survey. Site provides links to search for current projects and for postdoctoral opportunities.
National Stream Quality Accounting Network (NASQAN) [New Window]
Homepage for description of the National Stream Quality Network (NASQAN), a long-term program monitoring the concentrations and flux of sediment and chemicals in the Nation's largest rivers (Mississippi, Columbia, Colorado, Rio Grande, and Yukon).
National Streamflow Information Program [New Window]
National Streamflow Information Program home page describing the operation and maintenance of 7000 streamgages, overview of the program, system for collection of streamflow data, maintaining of historic streamflow data, and available reports.
National Water Information System (NWISWeb) data for Illinois [New Window]
National Information Water System (NWIS) water data for Illinois including real-time current conditions, streamflow data, site information, ground-water data, and water-quality data.
National Water Information System (NWISWeb) data for the Nation [New Window]
NWISWeb homepage for the National Water Information System providing access to water-resources data collected at approximately 1.5 million sites in all 50 States, the District of Columbia, and Puerto Rico.
National Water Quality Assessment urban studies portal [New Window]
Multiple studies addressing urban water-quality issues, to describe biological, chemical, and physical characteristics of urban water resources over time, and relate those characteristics to natural processes and human activities
National Water Quality Laboratory [New Window]
The National Water Quality Laboratory (NWQL) is a full-service laboratory that specializes in environmental analytical chemistry and has a primary role to develop new analytical methods. Links to directory, publications, and standards.
National Water-Quality Assessment (NAWQA) Program [New Window]
Primary homepage for the National Water Quality Assessment (NAWQA) Program studying water quality in river, aquifer and coastal water basins throughout the nation. Links to reports, data, models, maps and national synthesis studies.
National Water-Quality Assessment (NAWQA) Program - Great and Little Miami River Basins [New Window]
The Great and Little Miami River Basins form a National Water Quality Assessment (NAWQA) Program study unit for studying the status, trends, and changes affecting the nation's water quality. Site links to data, publications, maps, and results.
National Water-Quality Assessment (NAWQA) Program - Water quality in the Puget Sound Basin [New Window]
The Puget Sound Basin is a National Water Quality Assessment (NAWQA) Program study unit for studying the status, trends, and changes affecting the nation's water quality. Site links to data, publications, and results.
National Water-Quality Assessment (NAWQA) Program: reconstructed trends national synthesis study. [New Window]
Program to compile data from the National Water-Quality Assessment Program study units to study national trends with links to sediment coring sites, video on Salt Lake City, study units identification, and publications.
National Water-Quality Assessment data warehouse [New Window]
Data warehouse for national water quality program with links to chemical, biological, and physical data for water, sediment and animal tissues, nutrient, pesticide, and VOC levels, streamflow, and ground water levels from national study units.
National assessment of volatile organic chemicals (VOCs) in water resources of the United States [New Window]
Links to online data retrieval, information on MTBE and gasoline oxygenates, VOCs analysis, VOC publications, news features, and featured online publications.
National field manual for the collection of water-quality data [New Window]
Field manual (also available in PDF and paper formats) with instructions on techniques to collect and process water samples and to perform measurements of temperature, oxygen content, conductance, pH, turbidity, and fecal contaminants.
National highway runoff water quality data and methodology synthesis [New Window]
Cooperative national project with the Federal Highway Administration (FHWA) to evaluate FHWA's guidelines for highway-runoff quality. Links to searchable online bibliography of related publications by the USGS, EPA, FHWA, and state agencies.
National research program (water resources), western United States [New Window]
Home page for links to state district activities in water resources data collection, research, and analysis in the Western Region.
National water conditions [New Window]
Historical maps and animations of maps for monthly and annual streamflow conditions by water year showing generalized contour patterns of streamflow conditions. Maps are for the United States, Canada, and Puerto Rico.
Natural Hazards - Floods [New Window]
News and related information focusing on the hazards associated with floods in the United States.
Nevada Water Science Center Projects [New Window]
Links to detailed descriptions of USGS water-related research projects in Nevada with project information, location maps, and bibliographies including online reports.
New Jersey District - ground water information [New Window]
Links to New Jersey ground-water data including hydrogeology with a geologic map and description of major aquifers, water levels including real-time data and drought levels, and water-quality information.
New Jersey District - surface water information [New Window]
Links to water data for New Jersey including streamflow, sampling stations, and water-quality data with links to reports on stream gages, hydrology, networks, and floods.
New Jersey National Water-Quality Assessment (NAWQA) homepage [New Window]
Brief discussion of two water quality studies in the state of New Jersey with links to the Long-Island-New York Coastal Drainages study unit and the Delaware River Basin study unit.
New Jersey drought watch [New Window]
Update on daily streamflow conditions and drought situation in New Jersey.
New Jersey ground-water level observation wells [New Window]
Site for ground water level data and additional information for New Jersey wells in the most important aquifers in New Jersey. Links to well stations are grouped by county and township giving access to hydrographs and data.
New Mexico District - cooperating agencies [New Window]
Collecting water-resources data and conducting interpretive hydrologic investigations are accomplished in cooperation with local, tribal, State, and Federal agencies. Links are to agencies cooperating with the New Mexico District.
New York state current studies and research [New Window]
Links to summaries of USGS studies and research on water resources in the state of New York arranged by project number.
Nitrate in ground water near La Pine, Oregon [New Window]
Description of project studying hydrologic and chemical processes that affect the movement and fate of nitrogen within the shallow aquifers of the La Pine region of central Oregon.
North Dakota River Basin map for current streamflow conditions [New Window]
Links by geographic area in North Dakota or by gaging station number to hydrographs, downloadable data, and site description of streamflow stations.
Nutrients National Synthesis Project: nutrients in rivers, streams, and aquifers in the United States [New Window]
This Nutrients National Synthesis Project site on the U.S. study of nutrients, especially nitrogen and phosphorus, as contaminants in high concentrations links to an overview, study team, featured reports, publications, and national datasets.
Office of the Delaware River Master (ODRM) [New Window]
This web site is intended to provide the user with general information on the Office of the Delaware River Master and with timely access to the data and information collected and disseminated by the Office.
Office of the Regional Hydrologist, Northeastern Region, Water Resources Division [New Window]
This office provides technical and administrative management for U. S. Geological Survey activities in water resources with links to data, research projects, publications and products, and other offices in the Northeastern Region.
Ohio District - list of cooperators [New Window]
Links to web pages of state, local, and federal agencies supporting water-resources investigations in cooperation with the USGS in Ohio.
Ohio District's Microbiology Program [New Window]
Overview of microbiology projects related to water quality investigating bacteria, viral and protozoan pathogens and indicators in the environment with links to publications, analytical and field methods, laboratory, and current projects.
Oklahoma District - list of cooperators [New Window]
List of cooperating agencies and institutions that partner with the USGS in studies related to water resources and hydrology in Oklahoma.
Oklahoma Geographic Information Systems (GIS) data [New Window]
Access to GIS geospatial datasets for Oklahoma and the United States for Geographic Information Systems (GIS) applications.
Osage-Skiatook Petroleum Environmental Research Project, Lake Skiatook, Osage County, Oklahoma [New Window]
Study of the effects on the environment of hydrocarbons and produced water (brines) at Skiatook Lake, Osage Reservation, Oklahoma, with links to maps, photos, and data.
Pennsylvania compressed digital spatial data available for downloading [New Window]
Pennsylvania digital data for watershed boundaries, county geology, and flood mapping in Arc/Info format compressed with gzip utility for downloading plus links to other sources of data.
Pesticide National Synthesis Project: national assessment of pesticides in streams, rivers, and ground water of the United States [New Window]
Homepage for the Pesticide National Synthesis Project, an assessment of pesticides in national water resources, with links to national reports, national statistics, national data, pesticide use, analytical strategy, and standards for the U.S.
Pharmaceuticals, Hormones, and Other Organic Wastewater Contaminants in U.S. Streams [New Window]
Describes and illustrates that a broad range of chemicals found in residential, industrial, and agricultural wastewaters commonly occur in mixtures at low concentrations downstream from areas of intense urbanization and animal production.
Primer on water quality [New Window]
Fact sheet on what "water quality" means, how it is determined, and the natural processes and human activities that affect it.
Publications of the Massachusetts and Rhode Island District [New Window]
Lists of publications of the Massachusetts and Rhode Island District on water resources with links to online publications.
Real-time precipitation data for Illinois [New Window]
Access to real-time precipitation data for Illinois.
Real-time water levels for reservoirs in Puerto Rico [New Window]
Links to stations in Puerto Rico for real-time information on water levels for reservoirs.
Real-time water-quality monitoring and regression analysis to estimate nutrient and bacteria concentration in Kansas streams. [New Window]
Report on the use of regression equations from measurements made by water quality monitors and analytical results of manually collected samples estimating nutrient, bacteria, and other constituent concentrations to study streams in Kansas.
Recent news releases from the Wyoming District [New Window]
News releases from Wyoming District on Wyoming water conditions.
PDF Relations among geology, physiography, land use, and stream habitat conditions in the Buffalo and Current River systems, Missouri and Arkansas [New Window]
Report of the Community Sediment Transport Modeling Workshop [New Window]
Report on workshop to explore a community approach to improving deterministic models of sediment transport in coastal seas, estuaries, and rivers.
SPARROW Modeling of Surface-Water Quality [New Window]
A software model for regional interpretation of water-quality monitoring data, estimating origin and fate of contaminants in streams, with documentation, publications and data for the applications.
Science challenge questions and answers [New Window]
Report giving a collection of 196 questions and answers on Earth and planetary sciences, such as volcanoes, earthquakes, hydrology, cartography, biology, and minerals for general audiences. Also information on obtaining an audio-CD copy.
Selected Oklahoma District report abstracts [New Window]
Online abstracts of reports on the hydrology of Oklahoma with a few on minerals and geology, which have not been fully digitized. Complete publications are available in libraries and some are still available for purchase.
Solar irradiance and streamflow in Kansas [New Window]
Report on the hypothesis that variations of the total solar irradiance reaching the Earth and its atmosphere affect the precipitation and runoff of the western U.S. Includes links to research papers, bibliography, and climatic data.
South Dakota District - our cooperators [New Window]
Links to web sites of cooperators coordinating with the USGS South Dakota District in the collection of water resources data includes federal, state, tribal and local agencies.
South Florida Information Access (SOFIA) data exchange [New Window]
Provides links to the data, models and maps on the biology, ecology, geology, mapping, hydrology, and chemistry of research studies in southern Florida.
South Florida Information Access (SOFIA) metadata [New Window]
Links to metadata of South Florida research projects and to the webpage of the project.
South Florida Information Access (SOFIA) projects by region [New Window]
Listing of South Florida Information Access (SOFIA) projects by region
South Florida Information Access (SOFIA) projects by topic [New Window]
Links to explore South Florida and the Everglades ecosystem projects arranged by topic and subtopic, including proposals, project summaries, scopes of work, work plans, publications, and contacts.
South Florida Restoration Science Forum [New Window]
Discussions and posters about agriculture, ecology, hydrology, ecosystems, and resource management efforts in south Florida.
State Water Resources Research Institute Program [New Window]
Homepage of the Water Resources Research Institute (WRRI) Program with links to institutes, projects, and programs.
Statewide observation well network in Pennsylvania [New Window]
In 1931, the USGS established a statewide network of wells in Pennsylvania to monitor water-level fluctuations. This network consists of 68 wells to monitor ground water conditions during droughts. Links to ground-water data, hydrographs, and levels.
Streamflow statistics of Massachusetts [New Window]
Streamflow statistics and basin characteristics for most streams in Massachusetts using the Streamstats program. Data for areas can be selected from maps displayed by an interface (Java applet) and by an automated process. Includes a tutorial.
Summary of suspended-sediment concentration data, San Francisco Bay, California, water year 2000 [New Window]
Suspended-sediment concentration data were collected in San Francisco Bay during water year 2000 using optical backscatterance sensors and water samples. This report presents the data-collection methods, data, and calibration plots.
Surface water information pages [New Window]
Lead page for detailed United States surface water information with links to real-time and historic streamflow data, suspended sediment data, USGS programs and facilities, publications, techniques, and featured news releases.
Surface-water data and statistics from U.S. Geological Survey data-collection networks in New Jersey on the world wide web [New Window]
Streamflow-gaging and water quality sampling sites with real-time and historical surface-water data for many of the sites in New Jersey.
Surface-water data for the Nation [New Window]
Homepage for USGS national surface-water data with more than 850,000 station years of time-series data for stream levels, streamflow (discharge), reservoir and lake levels, surface-water quality, and rainfall plus real-time data and tutorial.
Surface-water quality and flow Modeling Interest Group (SMIG) [New Window]
The USGS Surface-water quality and flow Modeling Interest Group (SMIG) is interested in surface-water quality and flow modeling activities with links to articles, model archives, data archives, clearinghouse, mailing list, classes, and meetings.
Surface-water reports [New Window]
Links to Office of Surface Water reports on streamgaging, streamflow data and information, current meters, sediment, modeling, journal articles, and techniques.
Suspended-sediment database: daily values of suspended sediment and ancillary data [New Window]
Enables searching by state, hydrologic region, basin, time period, and length of record to retrieve suspended sediment data for the United States.
Tennessee publications on water resources [New Window]
Access to online publications produced by the Tennessee District and its cooperators on Tennessee water resources.
The South Florida environment-- a region under stress [New Window]
This report serves as an environmental review and framework for developing USGS programs in the south Florida ecosystem, especially the Everglades and its watershed, and stresses the critical role of water in natural and human environment.
The USGS role in Total Maximum Daily Load (TMDL) assessments [New Window]
Detailed information on Total Maximum Daily Load, the total quantity of a pollutant that a stream can carry and still conform to water quality standards, used as a measurement in the monitoring, assessment, and remediation of polluted waters.
The rivers of Mississippi [New Window]
Colored maps and geographic descriptions of major river basins in the state of Mississippi.
Tides and inflows in the mangroves of the Everglades (TIME) [New Window]
Links for the Tides and Inflows in the Mangroves of the Everglades (TIME) project on the effects of freshwater and tidal flows on the Everglades mangroves. With links to software & manuals, time data, photos, animations, and bibliography.
Tualatin River basin water quality assessment [New Window]
Overview of project assessing water quality of the Tualatin River basin near Portland, Oregon with links to reports on chemical and nutrient levels and selected data on streamflow, water temperature, weather and precipitation.
USGS - Nebraska cooperators and other contacts [New Window]
Links to webpages of federal, state, local & municipality agencies and Nebraska Natural Resource Districts that are cooperators with the Nebraska District in the collection of water resources data. Plus contacts for other related agencies.
USGS Ground-Water Networks [New Window]
Maps of three ground-water monitoring networks that group related wells and data from active well networks, and provide basic statistics about the water-level data collected by USGS.
USGS Water Science Cooperators and Partners in Nevada [New Window]
Links to water resources data customers of the Nevada District includes federal, state, and regional agencies and Indian tribes.
USGS activities in Nevada [New Window]
Homepage for USGS projects in Nevada with links to geography, biology, geology and water projects, news items, customers, Frequently Asked Questions (FAQs), education, recreation, data, studies, and publications on Nevada.
USGS activities in Texas [New Window]
Brief summaries of USGS projects in Texas including water quality monitoring, digital mapping, energy resources, U.S.-Mexico border mapping, fish and wildlife health, Kemp's Ridley sea turtle, and conditions affecting water quality.
USGS activities in Texas: Texas sites by basin [New Window]
Real-time water data, interactive maps, and flood reports for river basins in Texas.
USGS develops geophysical methods to improve remediation monitoring and site characterization [New Window]
Short news article describing the use of electrical resistivity tomography to improve imaging of tracer flow in ground water.
USGS fact sheets [New Window]
Access and listing of popular USGS publications listed by themes: resources, hazards, environment, information management, and states, and also by scientific discipline.
USGS projects in Illinois [New Window]
Links to Illinois District water projects including projects on water quality, radium in ground water, ground water studies, and streamflow studies.
USGS publications on Illinois water resources [New Window]
List of Illinois District publications, report abstracts, water resources abstracts, and fact sheets, newsletter archives on water resources in Illinois with links to online publications.
Upper Wallkill River study [New Window]
Program to measure streamflow stage and discharge at four sites in the Upper Wallkill River Valley's Black Dirt Region and determine Total Suspended Solids (TSS) concentration data and estimate loads of TSS and sources of contaminants.
Washington current streamflow conditions [New Window]
Links to real-time streamflow data, river and storm alerts, snowpack reports, weather data and seasonal runoff for the state of Washington.
Waste disposal and contaminant migration in the arid Southwest: Amargosa Desert Research Site, Nevada [New Window]
Links to studies at the Amargosa Desert Research Site by the USGS Toxic Substances Hydrology Program studying the subsurface migration and fate of contaminants in arid environments. Links to news, remediation, photos, bibliography and techniques.
Water Information Coordination Program (WICP) [New Window]
An interagency program that improves information about natural resources management and environmental protection. The Advisory Committee on Water Information identifies water information needs, evaluates information and recommends improvements.
Water Resources Inventory Area 1 (WRIA1) Watershed Management Project [New Window]
Hydrologic data web page for the Water Resources Inventory Area 1 (WRIA 1) Watershed Management Project studying surface and ground water in the Nooksack watershed in northwest Washington. Links to environmental data and maps.
Water Watch: current water resources conditions [New Window]
U.S. map of real-time streamflow compared to historical values with links to U.S. maps and data of surface water, ground water, precipitation, river conditions and floods and other information on current and past water resources conditions.
Water data for Illinois [New Window]
Links to streamflow, surface and ground water, water quality, flood, drought, and precipitation data in real-time and for historic time periods for Illinois.
Water data for Wyoming [New Window]
Links to streamflow, surface and ground water, and water-quality data in real-time and for historic time periods for Wyoming.
Water quality information pages [New Window]
Homepage of the Office of Water Quality programs on the quality of the Nation's surface water and ground water resources, with links to general information, quality assurance, software, data, publications, USGS facilities, techniques, and programs.
Water quality of San Francisco Bay [New Window]
Thirty year database of water-quality data, visual data displays, and project information on the San Francisco Bay directed towards following and understanding changes in the water quality of San Francisco Bay.
Water quality of San Francisco Bay - database entrance [New Window]
This section of the San Francisco Bay website allows the extraction, tabulation, and downloading of specific subsets of water-quality data collected by the USGS creating either HTML formatted tables of data or comma delimited ASCII files.
Water quality well sites in New Jersey [New Window]
Map of New Jersey showing the locations of all well sites where ground water-quality data exists in the USGS National Water Information System (NWIS) database.
Water resource investigations in Montana [New Window]
Information on objectives, approach, status, and publications of various research projects investigating water resources in Montana including studies on wetlands, bridge scour, reconstructed wetlands, abandoned mine lands, and others.
Water resources activities in Texas - cooperating agencies [New Window]
List of federal, state, regional, city and county agencies that cooperate with the USGS in water resources studies in Texas. Most have links to the agency's own website.
Water resources applications software [New Window]
Archive of USGS water resources software and associated data with documentation available to the public without any fee or cost.
Water resources applications software: NCALC, Manning's n value calculation program [New Window]
Software for calculating Manning's roughness coefficient values in stream channels with installation instructions for Unix and DOS systems.
Water resources data for Washington [New Window]
Access to data on water resources of Washington including surface water, ground water, water quality, water use, GIS, and biological datasets and access to reports.
Water resources data in Wyoming [New Window]
Access to surface water data and ground-water data for Wyoming.
Water resources data, Wyoming, Water Years 2000-2003 [New Window]
Access to PDF files of annual water data for Wyoming for surface water and ground water 2000 to present.
Water resources for Maryland, Delaware, and Washington, D.C. [New Window]
USGS water resources home page with links to detailed hydrologic information for Maryland, Delaware, and District of Columbia on ground and surface water, water quality, real-time records, news releases, local weather, and reservoir levels.
Water resources for Maryland, Delaware, and Washington, D.C. - District projects [New Window]
List of current water resources projects being conducted by the U.S. Geological Survey in Maryland, Delaware, and the District of Columbia with links to dedicated websites, contacts, and project descriptions.
Water resources for Mississippi - local projects [New Window]
Local projects of the Mississippi District Office on water resources of Mississippi including studies relating to erosion, floods, water data collection, ground water flow, Geographic Information Systems (GIS) techniques, and others.
Water resources of Alabama [New Window]
USGS water resources home page for Alabama with links to hydrologic studies and real-time and long-term data on streamflow, surface water, drought conditions, rain, and water quality.
Water resources of Alaska [New Window]
USGS water resources home page for Alaska with links to detailed hydrologic studies and real-time and historic data on streamflow, ground and surface water, glaciers, and water quality plus research activities, publications, and contacts.
Water resources of Arizona [New Window]
USGS water resources home page for Arizona with detailed hydrologic studies and real-time and long-term data on streamflow, ground and surface water, water quality, and well levels plus current conditions, publications, and projects.
Water resources of Arkansas [New Window]
USGS water resources home page for Arkansas with links to detailed hydrologic studies and real-time and long-term data on streamflow, ground and surface water, water quality, water use, and rain with links to publications and research partners
Water resources of California [New Window]
USGS water resources home page for California with links to detailed hydrologic studies and real-time data on streamflow, ground and surface water, and water quality, plus links to online reports, current issues, data archives and image archive.
Water resources of Colorado [New Window]
USGS water resources home page for Colorado with links to detailed hydrologic studies and real-time and long-term data on streamflow, snowpack, sediment, ground and surface water, and water quality, plus publications, news, and drought watch.
Water resources of Connecticut [New Window]
USGS water resources home page for Connecticut with links to detailed hydrologic studies and real-time and long-term data on streamflow, ground and surface water, water quality, streamflow conditions, gage stations, and drought.
Water resources of Florida [New Window]
USGS water resources home page for Florida with links to detailed hydrologic studies with real-time and long-term data on streamflow, ground and surface water, and water quality, plus publications and products, projects, news, and water watch.
Water resources of Georgia [New Window]
USGS water resources home page for Georgia with links to detailed hydrologic studies and real-time and long-term data for streamflow, ground and surface water, water quality, and floods, plus drought watch, current projects, and connections.
Water resources of Hawaii & the Pacific. [New Window]
USGS water resources home page for Hawaii, Micronesia, and American Samoa with links to detailed hydrologic studies and real-time and long term data on streamflow, ground and surface water, water quality, rainfall, water use and current issues.
Water resources of Idaho [New Window]
USGS water resources home page for Idaho with links to detailed hydrologic studies and real-time and long-term data on streamflow, ground and surface water, water quality, and water use, plus drought watch and relevant publications.
Water resources of Illinois [New Window]
USGS water resources home page for Illinois with links to detailed hydrologic studies and real-time and long-term data on streamflow, ground and surface water, droughts, flooding, and water quality with highlights and project information.
Water resources of Indiana [New Window]
USGS water resources home page for Indiana with links to detailed hydrologic studies and real-time and long-term data for streamflow, ground and surface water, drought, and water quality plus GPS ground station data and publications.
Water resources of Iowa [New Window]
USGS water resources home page for Iowa with links to hydrologic studies and real-time and historical data on floods, streamflow, ground and surface water, sediment, precipitation, and water quality plus news releases, publications and contacts.
Water resources of Kansas [New Window]
USGS water resources home page for Kansas with links to detailed hydrologic studies and real-time and historical data on streamflow, ground and surface water, and water quality plus flood watch, drought watch, publications, and district news.
Water resources of Kansas - governmental cooperators of the USGS [New Window]
List of local, state, and federal governmental agencies cooperating with the USGS in joint-funding arrangements to accomplish mutual goals in water resources studies in Kansas.
Water resources of Kentucky [New Window]
USGS water resources home page for Kentucky with links to detailed hydrologic studies, real-time and historical data on streamflow, ground and surface water, flow duration, and water quality plus program highlights, contacts, and news.
Water resources of Louisiana [New Window]
USGS water resources home page for Louisiana with detailed hydrologic studies and real-time and long-term data for streamflow, ground and surface water, water quality, and water supply with publications, contacts, and current conditions.
Water resources of Louisiana - main bibliography [New Window]
Bibliography of linked and cross-referenced publications and products on Louisiana water resources searchable by geographic region, subject, parish, and author.
Water resources of Maine [New Window]
USGS water home page for Maine with detailed hydrologic studies and real-time and long-term data for streamflow, ground and surface water, snow, and water quality plus drought watch, press releases, projects, and contacts.
Water resources of Maine - Projects [New Window]
Summary of USGS programs in Maine relating to data collection and hydrologic studies of streamflow, ground water, coastal areas, and ecosystems.
Water resources of Massachusetts and Rhode Island [New Window]
USGS water resource home page for Massachusetts and Rhode Island with detailed hydrologic studies and historic and real-time data on streamflow, ground and surface water, basins, floods, droughts, and water quality, plus district news.
Water resources of Michigan [New Window]
USGS water resources home page for Michigan with links to detailed hydrologic studies and historic and real-time data on streamflow, ground and surface water, weather, water management, droughts, floods, and water quality.
Water resources of Michigan - programs and projects [New Window]
Brief descriptions of categories of USGS research programs and projects on water resources in Michigan with links to more detailed information on projects.
Water resources of Michigan - protection of drinking water sources [New Window]
Links to descriptions, publications, and photos of research projects in Michigan related to drinking water including source assessment, ground water availability, water resources, and contaminants in water.
Water resources of Michigan - restoring natural flow regimes [New Window]
Links to descriptions, maps, photos, and reports of projects related to studies of the effects of dams and flow regulation in watersheds altered by humans in the state of Michigan including Muskegon and Kalamazoo Rivers and the Seney refuge.
Water resources of Michigan - water availability [New Window]
Links to project descriptions and publications for research studies of water availability in Michigan.
Water resources of Minnesota [New Window]
USGS water resource home page for Minnesota with links to detailed hydrologic studies and historic and real-time data for streamflow, ground and surface water, floods, and water quality plus district information.
Water resources of Mississippi [New Window]
USGS water resources home page for Mississippi with links to detailed hydrologic studies and real-time and long-term data for streamflow, ground and surface water, precipitation, local weather, and flooding plus current events, projects and reports.
Water resources of Missouri [New Window]
Water District homepage with links to detailed real-time and long-term water resources data for Missouri on streamflow, ground and surface water, and water quality.
Water resources of Missouri - Missouri District cooperating agencies [New Window]
Links to the web pages of federal, state, regional and local agencies and university cooperating with the USGS in the collection of water-resources data and the conduct of interpretive hydrologic investigations in Missouri.
Water resources of Montana [New Window]
USGS water resources home page for Montana with links to detailed hydrologic studies and historic and real-time data on streamflow, ground and surface water, floods, and water quality plus publications and district information.
Water resources of Montana - our cooperators [New Window]
List of federal, state, tribal, and local agencies cooperating with the USGS on water resources studies of Montana.
Water resources of Nebraska [New Window]
USGS water resources home page for Nebraska with links to hydrologic studies and historic and real-time data on streamflow, ground and surface water, and water quality plus publications and related natural resources information.
Water resources of New Hampshire and Vermont [New Window]
USGS water resources home page for New Hampshire and Vermont with links to hydrologic studies and historic and real-time data on streamflow, ground and surface water, water use, and water quality plus publications and district information.
Water resources of New Jersey [New Window]
USGS water resources home page for New Jersey with links to hydrologic studies and historic and real-time data on streamflow, ground and surface water, droughts, weather, and water quality plus district information.
Water resources of New Mexico [New Window]
USGS water resources home page for New Mexico with links to hydrologic studies and real-time and long-term data on streamflow, ground and surface water, and water quality plus map of basins.
Water resources of New York [New Window]
USGS water resources home page for New York with links to current news and features, real-time and long-term data on acid rain, suspended sediment, ground and surface water, streamflow and water quality.
Water resources of North Carolina [New Window]
USGS water resources home page for North Carolina with links to hydrologic studies and long-term and real-time data on streamflow, ground and surface water, floods, droughts, precipitation, and water quality plus district information.
Water resources of North Carolina - current district projects [New Window]
Links to description, publications, data, and maps for research projects on North Carolina water resources.
Water resources of North Dakota [New Window]
USGS water resources home page for North Dakota with links to hydrologic studies and long-term and real-time data on streamflow, ground and surface water, droughts, and water quality plus district and publications information.
Water resources of North Dakota - publications [New Window]
Searchable database for publications on water resources of North Dakota.
Water resources of Ohio [New Window]
USGS water resources home page for Ohio with links to hydrologic studies and long-term and real-time data on streamflow, ground and surface water, weather, water use, and water quality, plus district and publications information.
Water resources of Oklahoma [New Window]
USGS water resources home page for Oklahoma with links to hydrologic studies and long-term and real-time data on streamflow, ground and surface water, climatology, droughts, and water quality plus district and publications information.
Water resources of Oklahoma list of publications [New Window]
List of publications related to Oklahoma water resources. Some on-line publication files are in PDF format.
Water resources of Oregon [New Window]
USGS water resources home page for Oregon with links to hydrologic studies and historic and real-time data on streamflow, ground and surface water, geographic information, and water quality plus district and publications information
Water resources of Pennsylvania [New Window]
USGS water resources home page for Pennsylvania with links to hydrologic studies and historic and real-time data on streamflow, ground and surface water, map/GIS information, and water quality plus district and publications information
Water resources of South Carolina [New Window]
USGS water resources home page for South Carolina with links to detailed hydrologic studies and real-time data on streamflow, ground and surface water, GIS information, acid rain, and water quality plus district and publications information.
Water resources of South Dakota [New Window]
USGS water resources home page for South Dakota with links to detailed hydrologic studies and historic and real-time data on streamflow, ground and surface water, and water quality plus district and publications information.
Water resources of Tennessee [New Window]
USGS water resources home page for Tennessee with links to detailed hydrologic studies and long-term and real-time data on streamflow, ground and surface water, and water quality plus district and publications information.
Water resources of Texas - USGS activities in Texas [New Window]
USGS water resources home page for Texas with links to historic and real-time data on streamflow, ground and surface water, floods, droughts, coastal storm surge, lakes and reservoirs, and water quality plus district and publications information.
Water resources of Utah [New Window]
USGS water resources home page for Utah with links to detailed hydrologic studies and long-term and real-time data on streamflow, ground and surface water, and water quality plus district and publications information.
Water resources of Virginia [New Window]
USGS water resources home page for Virginia with links to detailed hydrologic studies and historic and real-time data on streamflow, ground and surface water, flooding, and water quality plus district and publications information.
Water resources of Virginia - Total Maximum Daily Load [New Window]
Description of a project to develop watershed models that can be used to track sources of fecal coliform bacteria by assigning Total Maximum Daily Loads (TMDL) to three stream segments in Virginia.
Water resources of Virginia - floods [New Window]
Brief description of project for the Federal Emergency Management Agency to prepare and modify Flood Insurance Rate Maps based on flood frequency analysis, ground surveys, and flood profiles in Virginia.
Water resources of Virginia - river input monitoring [New Window]
Description of river input monitoring project's collecting and analyzing water-quality data to calculate and explain load and trend estimates of selected nutrients and suspended solids for five major river basins in the Chesapeake Bay watershed.
Water resources of Washington State [New Window]
USGS water resources home page for Washington State with links to detailed hydrologic studies and real-time data on streamflow, ground and surface water, water use, and water quality, plus GIS data, district and publications information.
Water resources of Washington State - Flood hazards [New Window]
Description of the Flood Hazards study project by Water Resources Program in Tacoma, Washington with links to other flood hazard projects.
Water resources of Washington State - projects/studies [New Window]
List of links to USGS research and studies on the water resources of Washington, which can be searched by subject, basin and county.
Water resources of West Virginia [New Window]
USGS water resources home page for West Virginia with links to detailed hydrologic studies and historic and real-time data on streamflow, ground and surface water, water use, and water quality, plus district information and press releases.
Water resources of Wisconsin [New Window]
USGS water resources home page for Wisconsin with links to detailed hydrologic studies and historic and real-time data on streamflow, ground and surface water, water use, and water quality, plus district and publications information.
Water resources of Wyoming [New Window]
USGS water resources home page for Wyoming with links to detailed hydrologic studies and long-term and real-time data on streamflow, ground and surface water, droughts, and water quality plus district and publications information.
Water resources of the Caribbean [New Window]
USGS home page for the Caribbean, U.S. Virgin Islands, and Puerto Rico with links to projects, GIS data, publications, and real-time data for streamflow and rainfall of Puerto Rico, U.S. Virgin Islands, El Salvador, Guatemala, and Honduras.
Water resources of the United States [New Window]
Primary homepage for USGS programs in water resources with links to water data, publications and products, technical resources, major programs, and water information services.
Water resources of the United States - current policy memorandums [New Window]
Technical water resources memoranda arranged by general subject (ground water, surface water, policy and safety, and publishing) or by organizational unit (National Water Quality Lab, Branch of Quality Systems, and Branch of Systems Analysis).
Water resources programs [New Window]
Brief descriptions and links to major USGS programs at the state, regional, national, and international level for providing hydrologic information and for appraising the quantity, quality and location of the Nation's water resources.
Water resources real-time data for the Nation [New Window]
Access to national water resources real-time data typically recorded at 15-60 minute intervals, stored onsite, and then transmitted to USGS offices every 4 hours. Select for site information, ground water, surface water, and water quality.
Water science for schools [New Window]
Homepage of an educational site for elementary school students with links to water subjects including water basics, water questions and answers, water use, picture gallery, glossary, NavGuide, and certificate of completion.
Water science for schools: Earth's water [New Window]
Educational site for elementary school students that tells the story of where, how much, and in what forms water exists on Earth.
Water science for schools: Earth's water - runoff [New Window]
Site for elementary school students on runoff with links to information on rivers and watersheds, plus random link and glossary.
Water science for schools: Earth's water - surface water [New Window]
Educational site for elementary school students with information on surface water (rivers, streams, lakes, floods).
Water science for schools: common water measurements [New Window]
Explanation of common water properties including temperature, pH, specific conductance, turbidity, dissolved oxygen, hardness and suspended sediment for students and general public.
Water science for schools: follow a drip through the water cycle [New Window]
Site for elementary school students on the water cycle with a link to a version geared for second grade students and a random link.
Water science for schools: the Earth's water - ground water [New Window]
Educational site for elementary schools students on ground water sources, ground water flow, and aquifers.
Water science for schools: the activity center - challenge questions [New Window]
Educational site for elementary school students with questions to challenge students plus links to opinion surveys, questionnaires, and water facts.
Water science for schools: the water science picture gallery [New Window]
Photos with descriptions of water subjects and of scientists engaged in water research.
Water science for schools: water properties [New Window]
Educational site for elementary school students on the properties of water with links to a true/false quiz, common water measurements, pH, and water facts.
Water science for schools: water quality [New Window]
Educational site for elementary school students on water quality with links to related topics including pesticides in ground water, kid's view, urbanization and water and others.
Water science for schools: water questions and answers [New Window]
Educational site on water for elementary school students with questions and answers that are meant to be useful and entertaining.
Water science for schools: water use in the United States [New Window]
Educational site for elementary school students on water use in the United States.
Water science for schools: where is Earth's water located? [New Window]
Educational site for elementary school students on the distribution of water, water supply and water use.
Water site information for the Nation [New Window]
The Site Inventory System provides inventory of and access to data for sites at stream reaches, wells, test holes, springs, tunnels and other hydrologic locations where hydrologic data is collected by the USGS. Data can be viewed or downloaded.
Water use in Tennessee [New Window]
Tennessee water-use information including links to a fact sheet, data, charts, and maps.
Water use in the United States [New Window]
Links to water use reports for the United States for 1985, 1990, and 1995 comparison of use and renewable water supply by region, handbook for collecting water-use data, and other information on national water use.
Water use trends in the southwestern United States 1950-1990 [New Window]
Online report for an interactive workshop Impact of Climate Change and Land Use in the Southwestern United States. Gives a review of domestic and agricultural water use in the Southwest with graphs and maps.
Water, Energy, and Biogeochemical Budgets (WEBB) [New Window]
Describes the studies of five small watersheds, four in the U.S. and one in Puerto Rico, under the WEBB program to understand the processes controlling water, energy, and biogeochemical fluxes with links to other watershed research.
Water-quality data for the Nation [New Window]
Homepage for USGS water quality information. The NWISWeb discrete sample database is a compilation of over 3.5 million historical water quality analyses in the USGS district databases. Also includes access to real-time data and a tutorial.
Water-quality information - data [New Window]
Links to major databases on USGS real-time and historic time period data for water quality, atmospheric deposition, streamflow, and suspended sediments and links to related databases of other agencies.
Water-related scientific programs in Micronesia and American Samoa [New Window]
Overview of water-related scientific programs in Micronesia (Northern Marianas, Guam, and Palau) and American Samoa. Links to programs on hydrologic data collection, ground water availability, and surface runoff.
PDF Water-resources activities of the U.S. Geological Survey in Ohio [New Window]
Report on recent USGS programs in Ohio related to water resources studies, with program highlights, flood and drought studies, ground water studies, microbiological water quality research, stream data, and recent publications.
Watershed and River Systems Management Program-WARSMP: application to the Yakima River Basin, Washington [New Window]
Description of Yakima River Basin Program including: location of basin, description of economic activities, water management issues and modeling processes used to account for water availability.
Watershed modeling [New Window]
Description of the development and use of models to study watersheds supporting a broad range of applications and user skills. Includes links to related memos, training, software, projects, and references
Watershed processes and modeling [New Window]
Links to published materials produced by the Watershed Processes and Modeling Project on watershed model TOPMODEL, compilation of STATSGO soils data, climate change, landscape heterogeneity in ecoregions, and other links.
Wyoming drought watch [New Window]
Gives map of streamflow conditions in Wyoming with access to streamflow data, real-time, daily and historic, plus information on drought analysis and management.
Yakima River Basin [New Window]
Description of the studies of the ground water system in the Yakima River Basin and how it interacts with rivers and streams in the basin. Includes links to project status, datasets, maps, project summaries, news releases and bibliographies.


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