National Water-Quality Assessment (NAWQA) Program

   Home    Headlines    Featured Studies    Informing Decision Makers    Data    Modeling/Software    Publications    Maps


The National Water-Quality Assessment Program (NAWQA) provides an understanding of water-quality conditions and how those conditions may vary locally, regionally, and nationally; whether conditions are getting better or worse over time; and how natural features and human activities affect those conditions. (Read more about the NAWQA Program)

view all studies

Featured Studies

  • Assessments of source water and drinking-water quality
  • Trends
    
view all headlines

Featured Headlines, Activities, and Publications

more on informing decision makers

Informing Decision Makers -- Linking Science to Water Management and Protection



Glossary Related Sites Contact us

Accessibility FOIA Privacy Policies and Notices

Take Pride in America home page. FirstGov button U.S. Department of the Interior | U.S. Geological Survey
URL: http://water.usgs.gov/nawqa/
Page Contact Information: nawqa_whq@usgs.gov
Page Last Modified: 15:09:44 Tue 19 Aug 2008