Stormwater Documents

  1. City of Portland MS4 Annual Report 2020-2021 (PDF)
  2. Enforcement Response Plan (PDF)
  3. Enforcement Response Plan 3-22 (PDF)
  4. Minimum Control Measures 3 EPA (PDF)
  5. Minimum Control Measures 4 EPA (PDF)
  6. Minimum Control Measures 4 EPA (PDF)
  7. Minimum Control Measures 5 EPA (PDF)
  8. Portland - Record Drawing Form
  9. Portland Stormwater Management Plan SWMP
  10. Engineering Planning Commission Submittal Packet (PDF)
  11. Land Disturbance Permit Standard Operating Procedure (SOP) (PDF)
  12. Drainage Calculations Requirements (PDF)