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Federal
Clean Watersheds Needs Survey (CWNS) Reports to Congress
U.S. Environmental Protection Agency —
America's capital investment needs are reported periodically to Congress. The information collected by the Clean Watersheds Needs Survey (CWNS) is used strictly to... -
Federal
Estimates of discharge from wastewater treatment plants for 1,518 U.S. Geological Survey study watersheds, 1978 through 2012
Department of the Interior —
This product consists of a table of annual discharge estimates in millions of gallons per day from wastewater treatment plants (WWTPs) for 1,518 watersheds in the...