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 Adobe Reader to view 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)