An official website of the United States government.

Section 404 of the Clean Water Act

Stream Assessment and Mitigation Protocols: A Review of Commonalities and Differences

Various stream assessment and stream mitigation protocols in use by federal and state agencies nationwide were compiled and evaluated to determine the degree to which they presented unique, comprehensive procedures to assess primary stream and riparian functions. Thirty two of these protocols were selected for more detailed review in order to identify specific stream and riparian functions or conditions assessed, parameters measured, assessment results obtained, intensity of effort and training needed, use and source of reference condition information, and other factors potentially instructive to parties seeking to review, initiate, or modify stream assessment programs.


You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.