Environmental Rules in Salem, OR (2026)
3 verified environmental rules for Salem, Oregon, sourced directly from the municipal code and official government pages.
Verified from official government sources
Stormwater Management
Salem operates under an Oregon DEQ NPDES MS4 permit (effective October 1, 2021) and requires green stormwater infrastructure on all land divisions and new development under Salem Revised Code (SRC) Chapter 71. Site plans must include a stormwater management system designed to the city's Public Works Design Standards.
Stormwater Management in Salem
Some RestrictionsFlood Zones
Salem has flood-prone areas along the Willamette River and Mill Creek. The city participates in FEMA's NFIP and regulates development in Special Flood Hazard Areas through its flood damage prevention ordinance.
Salem Flood Zone Development Standards
Heavy RestrictionsGrading & Drainage
Salem SRC Chapter 82 requires permits for clearing and grading activities to protect life, property, and water quality from erosion, sedimentation, flooding, and slope instability on disturbed land.