These documents summarize the results of EPA's sixteenth national survey of capital costs to address water quality or water quality related public health problems.You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.
- Clean Watersheds Needs Survey 2012 Report to Congress (PDF)(41 pp, 10 MB)
- Report to Congress Fact Sheet (PDF)(2 pp, 130 K)
- CWNS 2012: Detailed Scope and Methods (PDF)(9 pp, 146 K)