St. Louis project aims to eliminate CSOs

The $6 billion initiative is working to improve water quality and eliminate combined sewer overflows in the St. Louis region.
Nov. 3, 2025

Everett Litton, WSP’s Midwest tunneling director, discusses Metropolitan St. Louis Sewer District’s Project Clear Initiative, which is aiming to eliminate combined sewer overflows (CSOs). Litton expands on the initiative, including how it started and where it stands, and also discusses the impact CSOs have on cities and urban areas.

To view the entire Stormwater Solutions video library, click here.

To view more educational resources, visit Stormwater University.

About the Author

Katie Johns

Katie Johns, editor-in-chief of Stormwater Solutions, graduated from the University of Missouri in 2016 with a Bachelor of Journalism and a Bachelor of Arts in Spanish. Johns joined the Stormwater Solutions team in September 2019. Johns also helps plan the annual StormCon conference and co-hosts the Talking Under Water podcast. Prior to entering the B2B industry, she worked as a newspaper reporter and editor in Sarasota, Florida, and a magazine assistant editor in the Chicago suburbs. She can be reached at [email protected].

Sign up for our eNewsletters
Get the latest news and updates