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.
Learn about every day actions you can take to improve water quality in our local streams, rivers and lakes!
Check out some of the projects the City is working on to improve water quality in the City.
Are you building or developing in the City? Click here for all the development resources you’ll need as they relate to stormwater.
Learn about Low Impact Development (LID) and how green infrastructure can be used to manage stormwater and protect the City’s water resources.
The City monitors water quality in its streams, rivers and other water bodies. Learn about some of these monitoring efforts.
The City’s stormwater utility, rates, and system development charges.
Learn about how the City complies with its federal stormwater permit that regulates all discharges of stormwater and wastewater to waters of the State.
Get some answers to frequently asked questions our stormwater team receives.
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: