It's all about clean water.
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Find an MSD project
MSD is hard at work upgrading the public sewer system. Find an MSD project across Hamilton County.
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View CSO Activity
View our Combined Sewer Overflow (CSO) Activity Map to find out which CSO outfalls in MSD's service area are suspected to be actively overflowing or were recently active (within the last 72 hours).
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Our Clean Water
Progress
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Features
LICK RUN GREENWAY
Visit the Lick Run Greenway, Cincinnati’s newest urban recreational space!
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MILL CREEK'S JOURNEY TOWARD RECOVERY
The Mill Creek, once named the most endangered urban stream in America, is on the road toward recovery.
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THE LATEST
News & Announcements
October 02, 2026
Notice of Construction and Traffic Alert for Queensgate Area
MSD – in partnership with ODOT - will begin constructing new stormwater infrastructure in Queensgate on Monday, October 5.
The project, which is part of Phase 2B of MSD's Wet Weather Program, will offload stormwater from I-75 directly to the Ohio River and eliminate about 120 million gallons of sewer overflows a year.
Traffic impacts will include road and lane closures south of Gest Street and west of Dalton Avenue.
September 24, 2026
Ohio River Trail near Little Miami WWTP to close for one day on September 28
The Ohio River Trail – adjacent to the Little Miami Wastewater Treatment Plant in the East End − will close on Monday, September 28, for one day to install a temporary detour path around a small construction zone.
The trail will re-open on Tuesday, September 29, with a short gravel detour path in place for up to a month, pending weather and field conditions.
July 30, 2026
Notice of Construction and Traffic Alert for Queensgate
MSD − in partnership with the Ohio Department of Transportation (ODOT) − is constructing new storm water infrastructure in the Queensgate neighborhood through spring 2029.
Traffic impacts will include periodic temporary lane closures on Western Avenue at Gest Street and at the intersection of Dalton Avenue and Gest Street.