A:
AGRICOLA (AGRICultural OnLine Access) - Search a bibliographic database of citations to the literature of agriculture [Department of Agriculture (USDA), Agriculture Research Service (ARS), National Agricultural Library (NAL)]

Administrative Record and Public Information Repository - A searchable comprehensive collection of administrative records for a final decision for remedial action or hazardous waste management of the Department (DOE) of Energy Hanford Richland Washington Site and a public information repository. [Department of Energy (DOE), Richland Operations Office (RL)]

Analytical Environmental Chemistry. - This site provides information about Analytical Environmental Chemistry research that includes topics such as Pharmaceuticals and Personal Care Products (PPCPs) as Environmental Pollutants and Environmental Forensics. [Environmental Protection Agency (EPA), National Exposure Research Laboratory (NERL)]

Animal Feeding Operations Publications - Provides links to publications addressing animal feeding operations and National Pollutant Discharge Elimination System (NPDES) guidelines and regulations. [Environmental Protection Agency (EPA)]

B:
Biological Indicators of Watershed Health: Benthic Macroinvertebrates: Aquatic Worms - This web site includes information on aquatic oligochaetes which are generally found in soft mud bottoms, and in high numbers are considered indicators of very poor water quality. [Environmental Protection Agency (EPA)]

C:
Center for Aquatic Resource Studies - Focuses on regional ecological questions raised by both manmade and natural environmental changes [Department of the Interior, U.S. Geological Survey (USGS), Florida Integrated Science Center, Center for Aquatic Resource Studies]

Center for Coastal Monitoring and Assessment (CCMA) - Monitors, surveys, and assesses coastal environmental quality, habitats, and resource distribution [Department of Commerce (DOC), National Oceanic and Atmospheric Administration (NOAA), National Ocean Service (NOS)]

Clean Water Starts at Home - Onsite/Decentralized Wastewater Treatment Systems [Environmental Protection Agency (EPA)]

Columbia Environmental Research Center (CERC) - Website for the Columbia Environmental Research Center with links to staff, publications, databases, field stations, and projects including those on the Rio Grande, burrowing owls, sea turtles, and geospatial technology [Department of the Interior, U.S. Geological Survey (USGS)]

Compliance and Enforcement - Information about environmental requirements. [Department of Agriculture (USDA)]

Conservation and Environmental Policy Briefing Room (ERS) - This briefing room includes information and economic research on the efficiency, effectiveness and equity of policies and programs directed toward improving the environmental performance of the agricultural sector. [Department of Agriculture (USDA), Economic Research Service (ERS)]

Cropping Systems and Water Quality Research Unit - Develop knowledge and technology to optimize yields from crop production systems while minimizing erosion and enhancing water and soil quality. [Department of Agriculture (USDA), Agriculture Research Service (ARS)]

D:
Diazinon and Chlorpyrifos Loads in Precipitation and Urban and Agricultural Storm Runoff during January and February 2001 in the San Joaquin River Basin, California - Water-Resources Investigations Report 03-4091 [Department of the Interior, U.S. Geological Survey (USGS)]

E:
EPA Drinking Water and Health - What you need to know about your drinking water and how it affects your health [Environmental Protection Agency (EPA)]

Ecosystems Research. - The Ecosystems Research Division (ERD), of the NERL, conducts process, modeling, and field research to assess the exposure risks of humans and ecosystems to chemical and non-chemical stressors. [Environmental Protection Agency (EPA)]

Envirofacts data warehouse - Direct access to the wealth of information contained in EPA databases [Environmental Protection Agency (EPA)]

Environmental Monitoring for Public Access and Community Tracking (EMPACT) - Locate time-relevant environmental information in an easily understood format. [Environmental Protection Agency (EPA)]

Environmental Protection Agency Office of Wetlands, Oceans and Water, Agriculture: Nonpoint Source Pollution. - This site is a list of EPA and non-EPA sites related to agriculture. The non-EPA sites include various organizations and agencies that provide general and specific information on resources pertaining to water quality and agriculture. [Environmental Protection Agency (EPA)]

F:
Field Analytic Technologies Encyclopedia (FATE) - Provides information about technologies that can be used in the field to characterize contaminated soil and ground water and monitor the progress of remedial efforts [Department of Defense (DOD), Department of the Army, U.S. Army Corps of Engineers (USACE)]

Fisheries and Aquatic Resources - Resources compiled by NBII about fish and fishing, an NBII Information Node. [Department of the Interior, U.S. Geological Survey (USGS), National Biological Information Infrastructure]

FrogWeb: Amphibian Declines & Deformities - Provides information about recent global declines and deformities among amphibian populations. [Department of the Interior, U.S. Geological Survey (USGS), National Biological Information Infrastructure (NBII)]

G:
Geoscience and Environment Center - Focused on the understanding of the subsurface related to nuclear environmental activities [Department of Energy (DOE), Sandia National Laboratories (SNL)]

Global Change Research Program - Research on understanding the potential consequences of climate variability and change on human health, ecosystems, and socioeconomic systems [Environmental Protection Agency (EPA)]

Great Lakes Environmental Research Laboratory (GLERL) - Conducts integrated, interdisciplinary environmental research in support of resource management and environmental services in coastal and estuarine water, with special emphasis on the Great Lakes [Department of Commerce (DOC), National Oceanic and Atmospheric Administration (NOAA), National Ocean Service (NOS), National Centers for Coastal Ocean Science]

Ground Water and Drinking Water - Links and information on safe drinking water [Environmental Protection Agency (EPA), Office of Ground Water and Drinking Water (OGWDW)]

H:
Harmful Algal Blooms (HABs) - Provides information on Red Tides. [Department of Commerce (DOC), National Oceanic and Atmospheric Administration (NOAA), National Centers for Coastal Ocean Science]

Human Exposure & Atmospheric Sciences. - Human Exposure & Atmospheric Sciences, of the National Exposure Research Laboratory, conducts research to characterize pollutant exposures from the pollutant source to the exposed person or receptor. [Environmental Protection Agency (EPA), National Exposure Research Laboratory (NERL)]

Hydrology Technical Group - Carries out a variety of research on groundwater movement and the effects of dams [Department of Energy (DOE), Pacific Northwest National Laboratory (PNNL)]

I:
Index of Watershed Indicators (IWI) - Compilation of information on the health of aquatic resources in the United States [Environmental Protection Agency (EPA)]

M:
Microbiological & Chemical Exposure Assessment Research. - Microbiological and Chemical Exposure Assessment Research Division, of the NERL, conducts research to measure, characterize and predict the exposure of humans to chemical and microbial hazards. [Environmental Protection Agency (EPA), National Exposure Research Laboratory (NERL)]

Microbiology (EPA). - The purpose of this site is to provide access to microbiology related information that has been developed or managed by EPA. EPA methods related to bacteria, viruses and protozoans can be found at this site. [Environmental Protection Agency (EPA)]

Modeling Subsurface Transport of Petroleum Hydrocarbons. - This site provides calculators for formulas, models, unit conversion factors, and scientific demonstrations to access the impacts from ground water contaminants. [Environmental Protection Agency (EPA)]

N:
NOAA Marine Debris Program - The NOAA Marine Debris Program serves as a centralized marine debris capability within NOAA in order to coordinate, strengthen, and increase the visibility of marine debris issues and efforts within the agency, its partners, and the public. [Department of Commerce (DOC), National Oceanic and Atmospheric Administration (NOAA)]

National Activities of the USGS Biological Resources Discipline - Links to national programs, including biomonitoring, bird banding, gap analysis, integrated taxonomy, breeding birds, nonindigenous species, and vegetation mapping. [Department of the Interior, U.S. Geological Survey (USGS)]

National Agriculture Compliance Assistance Center - Is the first stop for information about environmental requirements that affect the agricultural community [Environmental Protection Agency (EPA)]

National Analysis of Trace Elements in Ground Water, Streams, Stream and Reservoir Sediment, and Fish and Clam Tissue across the United States - Trace elements are inorganic chemicals occurring in small amounts in nature. This web site of the National Water-Quality Assessment links to U.S. data, publications, news, and other sites on trace metals, metalloids and radionuclides in water [Department of the Interior, U.S. Geological Survey (USGS), National Water-Quality Assessment Program (NAWQA)]

National Atmospheric Deposition Program/National Trends Network (NADP/NTN) - Access data from a nationwide network of precipitation monitoring sites [Multiple agencies involved]

National Drinking Water Contaminant Occurrence Database (NCOD) - Contains occurrence data from both Public Water Systems (PWSs) and other sources on physical, chemical, microbial and radiological contaminants [Environmental Protection Agency (EPA)]

National Environmental Training Center for Small Communities (NETCSC) - Assists small communities by providing training and training-related information and referral services in the areas of wastewater, drinking water, and solid waste [Environmental Protection Agency (EPA)]

National Estuarine Research Reserve System - The National Estuarine Research Reserves System is a network of 27 areas representing different biogeographic regions of the United States that are protected for long-term research, water-quality monitoring, education and coastal stewardship. [Department of Commerce (DOC), National Oceanic and Atmospheric Administration (NOAA)]

National Exposure Research Laboratory (NERL) - NERL conducts research and development that leads to improved methods, measurements and models to assess and predict exposures of humans and ecosystems to harmful pollutants and other conditions in air, water, soil, and food. [Environmental Protection Agency (EPA), National Exposure Research Laboratory (NERL)]

National Hydrography Dataset (NHD) - A comprehensive set of digital spatial data about surface water features, with links to references, data, software tools, applicatons, tutorials, technical support, and data maintenance [Department of the Interior, U.S. Geological Survey (USGS)]

National Invasive Species Information Center - Is a gateway to invasive species information; covering Federal, State, local, and international sources. [Department of Agriculture (USDA), Agriculture Research Service (ARS), National Agricultural Library (NAL)]

National Onsite Demonstration Program (NODP) - Demonstrating integrated onsite wastewater management and technology solutions [Environmental Protection Agency (EPA)]

National Pollutant Discharge Elimination System (NPDES) - The site contains technical and regulatory information about the NPDES permit program. The NPDES Permits Program consists of a number [Environmental Protection Agency (EPA)]

National Pollutant Discharge System-EPA - Authorized by the Clean Water Act, the National Pollutant Discharge Elimination System (NPDES) permit program controls water pollution by regulating point sources that discharge pollutants into waters of the United States. [Environmental Protection Agency (EPA)]

National River Restoration Science Synthesis - A scientific synthesis of river restoration projects, with a searchable database. [Department of the Interior, U.S. Geological Survey (USGS), National Biological Information Infrastructure]

National Sedimentation Laboratory (NSL) - Research dealing with the processes of soil erosion, transport and deposition of sediment, movement of chemicals on upland areas and in streams, water quality, and the ecological well-being of streams [Department of Agriculture (USDA), Agriculture Research Service (ARS)]

National Small Flows Clearinghouse (NSFC) - Information about innovative, low-cost wastewater treatments for small communities [Environmental Protection Agency (EPA)]

National Soil Tilth Laboratory (NSTL) - Research for the development and evaluation of management practices that enhance water quality while ensuring conservation of the nation's soil and water resources [Department of Agriculture (USDA), Agriculture Research Service (ARS)]

National Stream Quality Accounting Network (NASQAN) - Homepage description, 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) [Department of the Interior, U.S. Geological Survey (USGS)]

National Water Quality Laboratory (NWQL) - 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 [Department of the Interior, U.S. Geological Survey (USGS)]

National Water Quality Monitoring Council - Provides national coordination to implement the Strategy to Improve Water-Quality Monitoring in the United States; develop water-quality information standards through the Methods and Data Comparability Board [Department of the Interior, U.S. Geological Survey (USGS)]

National Water-Quality Assessment (NAWQA) Program - Primary homepage for studying water quality in river, aquifer and coastal water basins throughout the nation. Links to reports, data, models, maps and national synthesis studies [Department of the Interior, U.S. Geological Survey (USGS)]

National Water-Quality Assessment (NAWQA) Program: reconstructed trends national synthesis study - Program compiles data to study national trends with links to sediment coring sites, video on Salt Lake City, study units identification, and publications [Department of the Interior, U.S. Geological Survey (USGS), National Water-Quality Assessment Program (NAWQA)]

Natural Resources Conservation Service (NRCS), Dept. of Agriculture - This site relates to general information about the Natural Resources Conservation Service and provides quick links to maps, facts, figures, data, tech information, soils, wetlands, grazing lands and buffers. You can also access materials on water quality [Department of Agriculture (USDA), Natural Resources Conservation Service (NRCS)]

O:
Ocean Blueprint for the 21st Century - Released by the U.S. Commission on Ocean Policy on September 20, 2004, An Ocean Blueprint for the 21st Century contains the Commission's final recommendations for a new, comprehensive national ocean policy. [Ad Hoc Organizations, U.S. Commission on Ocean Policy]

Office of Response and Restoration (NOAA OR&R) - Offers tools and information for emergency responders and planners, and others working to understand and mitigate the effects of oil and hazardous materials in our waters and along our coasts [Department of Commerce (DOC), National Oceanic and Atmospheric Administration (NOAA), National Ocean Service (NOS)]

Oil Spill Program - Information on preventing, preparing for, and responding to oil spills [Environmental Protection Agency (EPA)]

P:
Pfiesteria and funding for water quality improvement. - This site describes the primary mission of the Agricultural Research Service's Water Quality and Management National Program. The main points of the mission are to develop innovative concepts for determining the movement of water and its associated [Department of Agriculture (USDA), Agriculture Research Service (ARS)]

Q:
Queens University Center of Excellence for Environmental Research (QUESTOR) - Looks at the basic science underlying improved methods of effluent treatment, clean technology, life cycle assessment, environmental management systems, computer models, land remediation, and environmental communications [National Science Foundation (NSF), Industry/University Cooperative Research Centers (IUCRC)]

R:
Recreation site (USGS), your science gateway for safe and vital enjoyment of the outdoors - Gateway to useful USGS websites for recreation in nature watching and exploring, boating, camping, climbing, fishing, hiking,biking, and hunting, with links to maps, real-time streamflow, geology, photos, and plant and animal information [Department of the Interior, U.S. Geological Survey (USGS)]

Research, Education, & Economics Research System. REEIS - Congressionally mandated system designed to serve the Research, Education, and Economics (REE) mission agencies of the U.S. Department of Agriculture and their state and private partners, as well as Congress and the public. [Department of Agriculture (USDA)]

Reston Chlorofluorocarbon Laboratory - Site on the Chlorofluorocarbon Laboratory and its analytical services for CFCs, sulfur hexafluoride, dissolved gases including nitrogen, argon, methane, carbon dioxide, oxygen, and helium. [Department of the Interior, U.S. Geological Survey (USGS), Water Resources Division]

S:
STORET - Access raw biological, chemical, and physical data on surface and ground water collected by federal, state and local agencies [Environmental Protection Agency (EPA)]

South Florida Water Management District (SFWMD.gov) - Managing and protecting the waters of South Florida. [Multiple agencies involved]

Southeast Watershed Research Laboratory - Develops scientific understanding and technologies of watershed systems essential to maintaining or enhancing the environmental and natural resource base required for the agricultural economy [Department of Agriculture (USDA), Agriculture Research Service (ARS)]

State of the Land - Provides data and analysis on land use, soil erosion and soil quality, water quality, wetlands, and other issues regarding the conservation and use of natural resources [Department of Agriculture (USDA), Natural Resources Conservation Service (NRCS)]

Surf Your Watershed - A service to help you locate, use, and share environmental information [Environmental Protection Agency (EPA)]

T:
TOXNET - Collection of databases covering toxicology, hazardous chemicals, and related areas [Department of Health and Human Services (HHS), National Inst. of Health (NIH), National Library of Medicine (NLM), Specialized Information Services (SIS)]

Toxic Substances Hydrology Program - Homepage which provides scientific information on contaminated sites and on human and environmental health. Links to news, topical information, investigations, meetings, publications, and photos [Department of the Interior, U.S. Geological Survey (USGS)]

V:
Volatile Organic Chemicals (VOC's) National Synthesis Project - National assessment of volatile organic chemicals in the streams, rivers, and ground water of the U.S. [Department of the Interior, U.S. Geological Survey (USGS), National Water-Quality Assessment Program (NAWQA)]

W:
Water - Provides links to all of EPA's major water topics [Environmental Protection Agency (EPA)]

Water Quality Assessment and Monitoring [USDA, Natural Resources Conservation Service] - Farmstead to watershed, NRCS helps American farmers and ranchers tackle issues and provide solutions on water quality issues deriving from sediment, nutrients, concentrated animal production and pesticides [Department of Agriculture (USDA), Natural Resources Conservation Service (NRCS)]

Water Quality Information Center (WQIC) - Collects, organizes, and communicates the scientific findings, educational methodologies, and public policy issues related to water quality and agriculture [Department of Agriculture (USDA), Agriculture Research Service (ARS), National Agricultural Library (NAL)]

Water Quality Monitoring - Information on EPA's efforts to monitoring water quality, including information on EPA's drinking water standards program [Environmental Protection Agency (EPA)]

Water Quality: United States Department of Agriculture, Economic Research Service - This site presents the latest information on data products, resources and services. You can access the latest publications that pertain to economic aspects of agriculture and water quality. [Department of Agriculture (USDA), Economic Research Service (ERS)]

Water Resources of the United States - Primary homepage for USGS programs in water resources with links to water data, publications and products, technical resources, major programs, and water information services [Department of the Interior, U.S. Geological Survey (USGS)]

Water quality information pages - Homepage of the Office of Water Quality programs on the quality of the Nations surface-water and ground-water resources, with links to general information, quality assurance, software, data, publications, USGS facilities, techniques, and programs [Department of the Interior, U.S. Geological Survey (USGS), Office of Water Quality]

Watershed Assessment, Tracking & Environmental Results (WATERS) - Offers custom maps of water quality [Environmental Protection Agency (EPA)]

Watershed Information Network (WIN) - A roadmap to information and services for protecting and restoring water resources [Environmental Protection Agency (EPA)]

Watershed Protection - Information on protecting and restoring aquatic ecosystems and protecting human health [Environmental Protection Agency (EPA)]

Wetlands, oceans, watersheds - The area that drains to a common waterway [Environmental Protection Agency (EPA)]

William R. Wiley Environmental Molecular Sciences Laboratory (EMSL) - Research is on focused on developing a molecular-level understanding of the physical, chemical and biological processes that underlie the most critical environmental issues [Department of Energy (DOE), Pacific Northwest National Laboratory (PNNL)]