The following documents are associated with the 2015 Clean Water Rule.You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.
- Technical Support Document for the Clean Water Rule: Definition of Waters of the United States (PDF)(423 pp, 2 MB)
- Final Clean Water Rule Economic Analysis (PDF)(87 pp, 833 K)
Environmental Assessment - Finding of No Significant Impact (PDF)(104 pp, 734 K)
Environmental Assessment - Finding of No Significant Impact for Clean Water Rule