You may need to submit an Erosion Control and Stormwater Management Permit to the Engineering Department for commercial, industrial and residential dwelling projects larger than 2-family construction.
To apply for a permit, please follow OpenGov link below. See OpenGov tab on left for instructions on how to create a profile and submit your permit. OpenGov allows for an online process of submitting permit applications, receiving comments and approvals, and notifications on Erosion Control inspection results.
Disturbing more than 100 LF of ditch, grass waterway, or other land where surface drainage flows
Excavation results in the removal or filling of 400 cubic yards
Where 125 feet of new public or private street is constructed
When land disturbance occurs adjacent to or draining to a sensitive area
When a Stormwater Permit is Required
Any development after August 22, 2001 results in the cumulative addition of 20,000 square feet of impervious surface to the site
Any development that requires a subdivision plat
Any development that requires a certified survey map for property intended for commercial or industrial use
Any redevelopment as defined by Section 15.30.050 of the Stormwater Management Ordinance
Any land development that the city determines may significantly increase downstream runoff volumes, flooding, soil erosion, water pollution, or property damage, or significantly impact a stream, creek, wetland area, or body of water
Agricultural development that creates new impervious surface area exceeding 20,000 square feet on the site