Noteworthy
 Featured Local Science: California Water Science Center - Pesticides flowing into the Salton Sea
USGS investigations of national and regional trends in ground-water quality [30KB PDF]
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]](http://water.usgs.gov/waterwatch/images/logos/p00010_160.gif)
Water-Quality Web Services
- Web services automate sharing of USGS and USEPA water-quality monitoring data.
For More Data
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.]](http://www.usgs.gov/frameworkfiles/includes/imagemaps/usmapsmall.gif)
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Selected Water-Quality Topics: Learn more about water quality
You can learn a lot about different water-quality topics on the USGS web site! The selected topics provided here are just a few examples. The links provided for each topic are just a few examples of general information on the topic or of related national or regional studies.
Selected Topics
Additional Information
Drinking water
USGS
Other Sources of Information
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Climate Change
USGS
Other Sources of Information
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Specific Contaminants in Our Water
General References
Heavy Metals & Other Trace Elements
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Arsenic
USGS
Other Sources of Information
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Mercury
USGS
Other Sources of Information
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Medications (Pharmaceuticals) & Personal Care Products
USGS
- Are Pharmaceuticals in Your Watershed? Understanding the Fate of Pharmaceuticals and Other Contaminants in Watersheds
- Pharmaceuticals, Hormones, and Other Organic Wastewater Contaminants in U.S. Streams
- USGS Corecast: Pharmaceuticals in the Nation's Water
![[Podcast]](http://www.usgs.gov/frameworkfiles/images/icons/podcasticon.gif "USGS Podcast")
- Statement of USGS Associate Director for Water, April 15, 2008, to Congress regarding pharmaceuticals in the environment [70KB DOC]
- Pharmaceutical Contamination (references)
- National Reconnaissance of Pharmaceuticals, Hormones, and Other Organic Wastewater Contaminants in U.S. Streams Is Making an Impact
- December 2008: Man-Made Chemicals Found in Drinking Water at Low Levels
- Presence and Distribution of Organic Wastewater Compounds in Wastewater, Surface, Ground, and Drinking Waters, Minnesota, 2000—02
Other Sources of Information
Back to table of contents.
Pesticides & Herbicides
USGS
Other Sources of Information
Back to table of contents.
Nutrients: Nitrogen and Phosphorous
USGS
Other Sources of Information
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Radon & Radiochemicals
USGS
Other Source(s)
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Viruses & Other Water-Borne Pathogens
USGS
Other Sources of Information
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Petroleum Products & Related Additives
USGS
Other Sources of Information
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Water-Quality Standards and Regulations
The U.S. Geological Survey does not regulate or enforce water-quality standards.
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Ecology: Fish, Invertebrates, Algae
USGS
Other Sources of Information
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Ground water and aquifers
USGS
Other Sources of Information
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Agriculture & Livestock
USGS
Other Sources of Information
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Mining
USGS
Other Sources of Information
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Surface & Recreational Waters
Streams
USGS
Other Sources of Information
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Lakes & reservoirs
USGS
Other Sources of Information
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Beaches
USGS
Other Sources of Information
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Can't find what you are looking for?
To learn more about these and other topics, you can also:
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Disclaimer
Links and pointers to non-USGS sites (described here as "Other sources of information") are provided for information only and do not constitute endorsement by the USGS, U.S. Department of the Interior, or U.S. Government, of the referenced organizations, their suitability, content, products, or services, whether they are governmental, educational, or commercial. Please note that the USGS does not control and cannot guarantee the relevance, timeliness, or accuracy of these outside materials.
For more information, see USGS Information Policies. |
U.S. Department of the Interior |
U.S. Geological Survey
![[Photo: USGS scientist collects water-quality samples in the snow.]](/owq/images/USGS-Richards-Winter-Lake-S.jpg "USGS scientist collects water-quality samples in the snow.")