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Clean Watersheds Needs Survey (CWNS) Past Reports and Data

2012 CWNS Report and Data
2008 CWNS Report and Data
2004 CWNS Report and Data
2000 CWNS Report and Data

To access Reports prior to 2000, you can search EPA’s National Service Center for Environmental Publications (www.epa.gov/nscep). Available reports include those published between 1974 and 1996. Suggested keyword search terms include “<publication year> needs survey”, or “CWNS".