Welcome to the Home of CRBC’s Technical Data

Here you’ll find information about watershed assessments and assessments of fish passage barriers performed throughout the Clackamas Basin.<?p>

If you’re interested in more information about Rock Creek in particular, check out Clackamas County Service District Number 1’s Watershed Action Plan for Rock Creek and Kellogg-Mt. Scott, which was completed in 2009.

These watershed assessments contain information about geology, fish distribution, streamside shade, and water quality. The Rock and Richardson assessment was prepared by EcoTrust in 2000. The Clear and Foster Watershed Assessment and Deep and Goose Watershed Assement were prepared by the Watershed Professionals Network in 2002 and 2005, respectively.

Fish passage barrier assessments were completed for Clear and Foster Creeks in 2003 (by Watersheds Northwest) and Deep, Goose, and Eagle Creek in 2005 (by the Watershed Professionals Network). Fish passage barriers identified include items such as culverts, weirs, and abandoned pipes. CRBC works with private landowners, government agencies, and professional contractors to seek out grant funds to remove these barriers and replace them with fish-friendly alternatives where appropriate.

  • For interactive maps of the fish passage barriers at Deep, Goose, and Eagle Creeks, click here.
  • For interactive maps of the barriers on Clear and Foster, click here.
  • If you have any questions about these documents, please contact CRBC at info@clackamasriver.org. We’d be more than happy to talk them over with you!