Metropolitan Wastewater Treatment Plant
Located on the Mississippi River in St. Paul, the Metro Plant is the largest wastewater treatment facility in Minnesota. When it opened in 1938, it was the first plant in a metropolitan area on the Mississippi River. Today it is among the nation's largest.
Metro Wastewater Treatment Plant Information
- Location: St. Paul, Minnesota
- Type: Advanced secondary with chlorination/dechlorination
- Capacity: 251 million gallons per day
- Discharges to: Mississippi River
- Communities served: 65
- Population served: 1.8 million
- Interceptors to plant: 332 miles
Award Winning Plant
The Metro Plant has an excellent environmental record and regularly earns state and national awards for operational excellence including:
- (2008) National Association of Clean Water Agencies (NACWA) Peak Performance Award
- (2007) Governor's MnGreat Award for the Metro Plant's Solids Management pollution prevention
- (2006) Minnesota Chapter of Public Works Association Project of the Year Award
- (2006) NACWA National Environmental Achievement Award/Operations Category
Read about the plant's energy conservation projects.
For more information about the plant, please contact Tim O'Donnell at 651-602-1269 or tim.odonnell@metc.state.mn.us.