Environmental Rules in Vancouver, WA (2026)
4 verified environmental rules for Vancouver, Washington, sourced directly from the municipal code and official government pages.
Verified from official government sources
Stormwater Management
Vancouver Municipal Code Chapter 14.25 (Stormwater Control) requires every new development and redevelopment project to comply with the city's Western Washington Phase II Municipal Stormwater Permit issued by the Department of Ecology and adopts the 2019 Stormwater Management Manual for Western Washington by reference. Construction stormwater pollution prevention plans are required under VMC Chapter 14.24 for any project disturbing one acre or more.
Stormwater Management in Vancouver
Heavy RestrictionsErosion Control
Vancouver requires a Construction Stormwater Pollution Prevention Plan (SWPPP) for most land-disturbing projects. Strict seasonal soil-exposure windows apply: two days maximum from October through April, seven days maximum from May through September.
Construction Erosion and Stormwater Pollution Prevention Required
Heavy RestrictionsFlood Zones
Parts of Vancouver lie within FEMA-designated flood zones along the Columbia River, Burnt Bridge Creek, and other waterways. Flood insurance is required for properties in Special Flood Hazard Areas.
Vancouver Flood Zone Regulations & Building Rules
Heavy RestrictionsGrading & Drainage
Vancouver requires stormwater management plans for projects disturbing 7,000 sq ft or more of land, or creating 2,000 sq ft or more of new impervious surface. Natural drainage patterns must be preserved and discharges maintained at their natural locations.