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USGS Water-Quality Information

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Water Quality Data

National Water Information System (NWIS)

  • NWIS provides current and historical water-quality data.

Today's Water Conditions

[Sample Water-Quality Watch Map]

Water-Quality Web Services

  • Web services automate sharing of USGS and USEPA water-quality monitoring data.

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USGS in Your Area

USGS Water Science Centers are located in each state.

 [Map: There is a USGS Water Science Center office in each State.] Washington Oregon California Idaho Nevada Montana Wyoming Utah Colorado Arizona New Mexico North Dakota South Dakota Nebraska Kansas Oklahoma Texas Minnesota Iowa Missouri Arkansas Louisiana Wisconsin Illinois Mississippi Michigan Indiana Ohio Kentucky Tennessee Alabama Pennsylvania West Virginia Georgia Florida Caribbean Alaska Hawaii New York Vermont New Hampshire Maine Massachusetts South Carolina North Carolina Rhode Island Virginia Connecticut New Jersey Maryland-Delaware-D.C.

Selected Water-Quality Publications

Note:USGS water-resources reports that are available online can be accessed from http://pubs.water.usgs.gov/. Order U.S. Geological Survey Products from the USGS Store or call 1-888-ASK-USGS.

Users with visual disabilities can access conversion tools and information to help make PDF files accessible.

National Field Manual for the Collection of Water-Quality Data

Guidelines for Design and Sampling for Cyanobacterial Toxin and Taste-and-Odor Studies in Lakes and Reservoirs, U.S. Geological Survey Scientific Investigations Report 2008-5038.

Procedures for Developing Models To Predict Exceedances of Recreational Water-Quality Standards at Coastal Beaches, U.S. Geological Survey Techniques and Methods book 6, chap. B5.

StreamVOC--A Deterministic Source-Apportionment Model to Estimate Volatile Organic Compound Concentrations in Rivers and Streams, U.S. Geological Survey Scientific Investigations Report 2006-5110.

A Guide to the Proper Selection and Use of Federally Approved Sediment and Water-Quality Samplers, U.S. Geological Survey Open-File Report 2005-1087.

Guidelines and Standard Procedures for Continuous Water-Quality Monitors: Station Operation, Record Computation, and Data Reporting, U.S. Geological Survey Techniques and Methods 1-D3.

More Than Obvious: Better Methods for Interpreting Nondetect Data: Helsel, Dennis R., 2005, Environmental Science and Technology, A-Pages, v. 39, no. 20, p. 419A-423A.

Nondetects and Data Analysis--Statistics for Censored Environmental Data: Helsel, Dennis R., 2005, Wiley-Interscience.

Comparison of Seven Protocols to Identify Fecal Contamination Sources Using Escherichia coli (pdf), USGS-authored article in Environmental Science and Technology.

The Solubility of Nitrogen, Oxygen and Argon in Water and Seawater, Weiss, 1970 (pdf).

Study and Interpretation of the Chemical Characteristics of Natural Water, Water Supply Paper 2254

The Computer Program Estimate Trend (ESTREND), A System for the Detection of Trends in Water-Quality Data, Water-Resources Investigations Report 91-4040

Selected Laboratory Evaluations of the Whole-Water Sample-Splitting Capabilities of a Prototype Fourteen-Liter Teflon® Churn Splitter, Open-File Report 01-386

A Primer on Water Quality, USGS Fact Sheet 027-01.

A Comparison of Load Estimates Using Total Suspended Solids and Suspended-Sediment Concentration Data, in American Society of Civil Engineering's Proceeding of the World Water and Environmental Resources Congress, May 20-24, 2001 (pdf = 67 Kb)

Comparability of Suspended-Sediment Concentration and Total Suspended Solids Data, Water-Resources Investigations Report WRIR 00-4191 (pdf=1Mb) and Adjustment of Total Suspended Solids Data for Use in Sediment Studies (pdf=2Mb).

The proceedings of the technical meeting, "Animal Feeding Operations: Effects on Hydrologic Resources and the Environment," held in Fort Collins, CO, Aug. 30 - Sept. 1, 1999, are online as USGS Open-File Report 00-204 on the Proceedings page of the AFO Web site.

A Retrospective Analysis on the Occurrence of Arsenic in Ground-Water Resources of the United States and Limitations in Drinking-Water-Supply Characterizations, Water-Resources Investigations Report 99-4279.

External Quality-Assurance Results for the National Atmospheric Deposition Program/National Trends Network, 1995-96, Water-Resources Investigations Report 99-4072.

Report on hypoxia in the Gulf of Mexico: Flux and Sources of Nutrients in the Mississippi-Atchafalaya River Basin (see Topic 3).

USGS Protocol for the Collection of Processing of Surface-Water Samples for the Subsequent Determination of Inorganic Constituents in Filtered Water, Open-File Report 94-539

USGS Guidelines and Standard Procedures for Studies of Ground-Water Quality: Selection and Installation of Wells, and Supporting Documentation Water-Resources Investigations Report 96-4233

New Reporting Procedures Based on Long-Term Method Detection Levels and Some Considerations for Interpretation of Water-Quality Data Provided by the U.S. Geological Survey National Water Quality Laboratory, Open-File Report 99-193.

NASQAN--A Program to Monitor the Water Quality of the Nation's Large Rivers, Fact Sheet FS-055-97

Transport, Behavior and Fate of Volatile Organic Compounds in Streams, Professional Paper 1589

Toxic Substances Hydrology Program -- TOXICS Searchable Bibliography

Publications on Techniques of Water-Resources Investigations

Additional USGS Water-Quality-Related Publications

Ground Water Atlas of the United States

National Water-Quality Assessment Program

USGS Fact Sheets

Ohio District's Microbiology Program

Water-Quality-Related Publications from other Sources

The Bromide Tracer reading list - has been updated on the SMIG website (Surface-water quality and flow Modeling Interest Group).

The Rhodamine WT Tracer reading list - has been updated on the SMIG website.

National Irrigation Water Quality Program - Bibliography of Published Studies

Science News -- online

The National Park Service Environmental Contaminants EncyclopediaEnvironmental Contaminants Encyclopedia

GrayLIT Network - A Science Portal of Technical Reports

Order U.S. Geological Survey Products from the USGS Store or call 1-888-ASK-USGS.

Users with visual disabilities can visit this site for conversion tools and information to help make PDF files accessible.

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Page Last Modified: Friday, 09-Jan-2009 19:49:55 EST