What's New:

• Water-quality assessments available for 15 more major river basins and aquifer systems. Access the reports, press releases, and points-of-contact directly!
  
  
• A national report on water quality in the Nation's streams and aquifers
  
  
• Highlights from the recently released water-quality assessments
  
  
• NAWQA studies nutrient enrichment (USGS Fact Sheet 118-03)
  
  
• Agricultural transport studies are ongoing in 5 major river basins (click a basin for full report):
  
  
  
• WORLD WATER MONITORING DAY, OCTOBER 18, 2003 (Monitoring from September 18 - October 18)
  
  
• USGS Announces Online Access to Nationwide Fish Community Data
  
  
• NAWQA studies mercury in stream ecosystems across the Nation ( USGS Fact Sheet FS-016-03)
  
  
• Learn about USGS national water-quality programs
  
  
• Effects of Urbanization on Stream Ecosystems U.S. Geological Survey Fact Sheet 042-02 May 2002
  
  
• National Water Monitoring Day 2002 -- Learn about USGS celebrations in your state!
  
  
• Heinz Center Report--The State of the Nation's Ecosystems
  
  
• National Academy of Sciences Review (2/13/2002)
  • Representative Accomplishments of NAWQA, Cycle I
  • Opportunities to Improve the USGS NAWQA Program - A Summary
    
    
• Announcement of new report on pesticides in selected water-supply reservoirs and finished drinking water (1/14/02)
  • The report, summary, and data of the USGS drinking-water reservoir pilot program can be found at http://md.water.usgs.gov/nawqa/
  • EPA's documents of the preliminary cumulative risk assessment for OP compounds cam be found on the web at: http://www.epa.gov/pesticides/cumulative/pra-op/
    
  
  
• MTBE and other volatile organic compounds—New findings and implications on the quality of source waters used for drinking-water supplies (USGS Fact Sheet 105-01) (11/15/01)
  
  
• The National Water-Quality Assessment Program-Entering a new decade of investigations. (USGS Fact Sheet 071-01, a preview of the second decade of studies)

• USGS recently released SUMMARY REPORTS on water quality in 16 major river basins and aquifers across the country. (5/17/2001)

• Sampling of assessment findings: Provides selected findings of 16 recently released reports as well as examples of how this information is used to support resource-management decisions. (pdf) (5/17/2001)

• NAWQA information provides an unbiased scientific basis for managers, planners, and policy makers at all levels--local, state, and national--to make decisions for the protection of drinking water, the health of aquatic ecosystems, and for resource management. (4/20/2001)

• Selected findings and current perspectives on urban and agricultural water quality. - Studies by NAWQA in nearly 120 agricultural and 35 urban watersheds show that nonpoint chemical contamination is an agricultural and urban issue. (pdf) (4/20/2001)

• Great Salt Lake Basins NAWQA is on-line. (3/22/2001)

• A new online data warehouse of 6.5 million records enables water resource managers, scientists, and the public to find data about the quality of the water at 2,800 stream sites and 5,000 wells across the country.