An official website of the United States government.

This is not the current EPA website. To navigate to the current EPA website, please go to This website is historical material reflecting the EPA website as it existed on January 19, 2021. This website is no longer updated and links to external websites and some internal pages may not work. More information »

1996 National Water Quality Inventory Report to Congress

This Report to Congress summarizes information reported by the states in 1996 describing the condition of their assessed waters, as required under Section 305(b) of the Clean Water Act. Report package contents:

  • Section 1: National Summary of Water Quality Conditions
  • Section 2: Index of Watershed Indicators
  • Tribal Summaries
  • Interstate Commission Summaries
  • National Water Quality Inventory: 1996 Report to Congress -- Selected Chapters
    • Rivers and Streams
    • Lakes, Reservoirs, and Ponds
    • Tidal Estuaries and Ocean Shoreline Waters
    • Wetlands
    • Ground Water Quality

Appendices from the National Water Quality Inventory - 1996 Report to Congess (Excel)(1 MB)

Report Package File:

You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.