Information related to Draft EPA/USGS Technical Report: Protecting Aquatic Life from Effects of Hydrologic Alteration documents. This report has been finalized and was released in December 2016.
You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.- Draft EPA/USGS Technical Report: Protecting Aquatic Life from Effects of Hydrologic Alteration Fact Sheet (PDF)(2 pp, 106 K)
- Draft EPA-USGS Technical Report: Protecting Aquatic Life from Effects of Hydrologic Alteration (PDF)(163 pp, 3 MB)
- Webinar Presentation: Protecting Aquatic Life from Effects of Hydrologic Alteration (PDF)(34 pp, 3 MB)