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Classification is Water and Wastewater -- Quality Assurance and Quality Control
Results 36 - 40 of 171
View Resource USGS Real-Time Water Data for the Nation

Real-time data typically are recorded at 15-60 minute intervals, stored onsite, and then transmitted to USGS offices every 1 to 4 hours, depending on the data relay technique used. Recording and...

http://waterdata.usgs.gov/nwis/rt
View Resource National Water Information System (NWIS)

These pages provide access to water-resources data collected at approximately 1.5 million sites in all 50 States, the District of Columbia, and Puerto Rico. Online access to this data is organized...

http://waterdata.usgs.gov/nwis/
View Resource National Contaminant Occurrence Database (NCOD)

EPA developed the NCOD to satisfy the statutory requirements set by Congress in the 1996 amendments to the Safe Drinking Water Act (SDWA) to maintain a national drinking water contaminant occurrence...

http://www.epa.gov/safewater/databases/ncod/index.html
View Resource Water Quality: Biocriteria

The presence, condition and numbers of types of fish, insects, algae, plants, and other organisms are data that together provide direct, accurate information about the health of specific bodies of...

http://water.epa.gov/scitech/swguidance/waterquality/standar...
View Resource Water Quality: Human Health Criteria

Human health ambient water quality criteria are numeric values limiting the amount of chemicals present in our nation's waters. These human health criteria are developed under Section 304(a) of the...

http://water.epa.gov/scitech/swguidance/waterquality/standar...
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EERL is a product of a community college-based National Science Foundation Center, the Advanced Technology Environmental and Energy Center (ATEEC), and its partners.

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