Stormwater Management Manual 2025 Revisions

The West Linn Stormwater Management Manual has been updated and will take effect June 6, 2025

Supporting Documents

PDF icon Stormwater Management Manual and Appendices (3 MB)
PDF icon Standard Details (3 MB)
PDF icon Section 2 Storm Drain 2025 Revision (825 KB)
PDF icon Division 6 Storm Drain 2025 Revision (752 KB)
  • Printer-friendly version