Providing floodplain and stormwater management services since 2006.

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Customer Service

SEMSWA strives to provide excellent service to all customers in our Service Area.

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Development Projects

We provide stormwater management services for land and community development in Centennial & Arapahoe County.

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Education & Outreach

Learn more about stormwater and our efforts to connect with our Community.

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Our Work

Our Maintenance and Capital Improvement Programs conduct routine and project based work throughout our entire Service Area.

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Water Quality

SEMSWA is an MS4 permit holder and responsible for monitoring and regulating activities that contribute to stormwater pollution.

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Floodplain Management

We preserve floodplain areas to minimize hazards, protect property, and have healthy drainageways.

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