Customer Service

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

Development Projects

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

Education & Outreach

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

SEMSWA Projects

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

Water Quality

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

Floods and Floodplains

SEMSWA has a comprehensive Floodplain Management Program.