Environmental Rules in Kirkland, WA (2026)
4 verified environmental rules for Kirkland, Washington, sourced directly from the municipal code and official government pages.
Verified from official government sources
Stormwater Management
Kirkland follows the Department of Ecology Western Washington Stormwater Manual through KMC Chapter 15 and 115 surface water code, requiring runoff control for new and redeveloped sites.
Stormwater Rules in Kirkland
Heavy RestrictionsErosion Control
Kirkland requires temporary erosion and sediment control (TESC) plans for clearing and grading per KMC Chapter 115 and the Ecology stormwater manual, with wet-season rules limiting soil disturbance from October to April.
Erosion Control Rules in Kirkland
Heavy RestrictionsFlood Zones
Kirkland regulates construction in FEMA-mapped floodplains along Juanita Creek and Forbes Creek under KMC Chapter 21.56 and the Critical Areas Ordinance, requiring elevation and flood vents.
Flood Zone Rules in Kirkland
Heavy RestrictionsGrading & Drainage
Grading permits are required in Kirkland for fills, cuts, and landscape regrades beyond thresholds in KMC Title 115, with drainage plans reviewed by Public Works under the Ecology Stormwater Manual.
Grading and Drainage Rules in Kirkland
Heavy RestrictionsLooking for King County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Kirkland city rules.
Environmental Rules in King County →