The Stormwater Division is responsible for the maintenance and repair of:
The stormwater system is designed to prevent flooding and reduce the water quality impact runoff has on Lake Sammamish, the Sammamish River, and multiple creeks. Many features of the stormwater system collect sediment, pollution and debris, and require regular maintenance to remove collected materials before they enter the natural environment.
Maintenance activities include:
Use the City’s request management system to report non-emergency issues, make requests, and find answers to common questions.
In case of emergency, call 911.
Report Issue or Make Request