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General Listing |
Title of Listing: | | USGS Water Quality Data |
Category: | | Statistics |
Subcategory: | | US Department of the Interior-DOI, All Listings |
Date: | | |
Document #: | | |
Web Site: | | http://water.usgs.gov/ |
Email: | | |
Abstract: | |
The National Hydrologic Bench-Mark Network Program provides a nationally uniform basis for assessing long-term trends in the physical and chemical characteristics of surface waters largely unaffected by land use activities. The National Stream Quality Accounting Network provides a nationally uniform basis for assessing large-scale and long-term trends in the physical, chemical, and biological characteristics of the nation's streams and rivers. The principal contaminants monitored for in freshwater include pH, alkalinity, sulfate, nitrate, phosphorus, calcium, magnesium, sodium, potassium, chloride, and others. Data are collected either monthly, bimonthly, or quarterly, depending on the location. Public inquiries should be made to the Water Resources Division of the U.S. Geological Survey (USGS). |
Topics
Water Resources/Supply/SDWA
Additional Topics/Tags/Keywords
Hydrology, Freshwater, Chemistry, Surface Water, Streams
Organization: | | U.S. Dept. of Interior (DOI), Geological Survey (USGS), Water Resources Division |
Address: | | 410 National Center
| Phone: | Description | Number |
City: | | Reston | | Primary | (703) 648-6870 |
State/Province/Territory: | | VA | 2. | USGS Water Information Center | (800) 426-9000 |
Zip/Postal Code: | | 22092 | 3. | DOI General Information | (703) 860-6045 |
Country: | | United States | 4. | Fax: | (303) 202-4693 |
Branch Locations: | |
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