In 2014, ASWM completed a national study on stream identification, delineation and mitigation in the United States. The project interviewed state staff from 47 states. To download the full report, entitled, Report on State Definitions, Jurisdiction and Mitigation Requirements in State Programs for Ephemeral, Intermittent and Perennial Streams in the United States, click here.
Stream Mitigation Guidance, Handbooks, Procedures and Protocols
Across the United States, state and federal agencies, tribes, local governments, and private sources are working to develop guidance for the mitigation of streams and compensatory mitigation. For a list of resources demonstrating not only the current state of practice, but also the diversity of approaches being employed in different regions of the country, click here.
Stream Identification and Assessment Done
How streams are identified and assessed are not consistent practices across the United States. For list of state and federal resources that provide specific methods or approaches to identification and assessment, click here. For more information on practices in a specific state, please check out the State Summaries page on this website.
Stream Mitigation Programs
Many states now have stream mitigation programs. However, there are distinct differences in the practices and administration of these programs. The a list of state specific stream mitigation program links, click here.