Storm And Surface Water Management Program

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The Storm and Surface Water Management Program of the City of Sammamish Public Works Department works to address water quality (pollution) and quantity (flood control) in the City. Visit the links below to learn more about stormwater, get resources for how to manage runoff during and after development, and every day practices you can employ to help keep our waters clean.


To report a drainage/flooding problem on the roads or City property, please use My Sammamish.

Report a Spill online

To Report a Spill - Call the Spill Hotline:

  • Weekdays: 8:00am to 5:00pm - call (425) 295-0500
  • Evenings and Weekends - call (425) 295-0700

Staff Contact