Storm and Surface Water Management
The Storm and Surface Water Management Program of the City of Sammamish Public Works Department addresses storm and surface water quality (pollution) and quantity (flood control) in the City. Please visit the links below. You will find resources for managing stormwater runoff and learn best practices you can employ to help keep our waters clean.
Report a drainage problem online at My Sammamish.
Or Call the Spill Hotline:
- Weekdays: 8:30am to 5:00pm - call (425) 295-0500
- Evenings and Weekends - call (425) 295-0700
Help Keep Stormwater Clean
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Learn about every day actions you can take to improve water quality in our local streams, rivers and lakes!
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Storm & Surface Water Projects
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Check out some of the projects the City is working on to improve water quality in the City.
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Green Infrastructure & Low Impact Development (LID)
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Learn about Low Impact Development (LID). You’ll discover how green infrastructure can be used to manage stormwater and protect the City's water resources.
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Source Control
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View our Business Inspection and Stormwater Pollution Prevention program to help prevent stormwater pollution from businesses and government properties
Source Control
Stormwater Utility
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The City's stormwater utility, rates and system development charges.
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Stormwater Policies and Regulations
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Learn about our City’s compliance with the federal stormwater permit. This regulates all discharge of stormwater and wastewater to the waters of the State.
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Water Quality Monitoring
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The City monitors water quality in its streams, rivers and other water bodies. Learn about some of these monitoring effects.
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