Department of Natural Resources Awards $41.2 million In Assistance To The Metropolitan St. Louis Sewer District


Metropolitan St. Louis Sewer District will make collection system improvements

The Missouri Department of Natural Resources awarded a total of $41.2 million in financial assistance to the Metropolitan St. Louis Sewer District for upgrades to its collection system. The project is estimated to cost $43.2 million and is expected to be completed by January 2023.

The project is part of the sewer district’s Public Inflow and Infiltration Reduction Program to rehabilitate the existing collection system throughout the entire service area. This program is part of an ongoing effort to reduce the number and volume of overflows in the sewer district’s combined sewer and sanitary sewer systems.

Funding for the sewer rehabilitation project consists of a $40.2 million low-interest loan and a $1 million grant through the Clean Water State Revolving Fund. To complete the project, the sewer district will provide an additional $2 million in local funds. The department’s funding is estimated to save ratepayers $1 million in principal and approximately $8 million in interest over the loan’s 20-year term.

“Improving the key infrastructure that Missouri communities rely on every day continues to be one of our top priorities,” said Governor Mike Parson. “We are absolutely committed to doing all we can to assist with infrastructure improvement projects large and small.”

“Grants and low-interest loans through the State Revolving Fund help Missouri communities with water and wastewater treatment system improvements that they might not have been able to undertake otherwise,” said Carol Comer, director of the Missouri Department of Natural Resources. “We are here to help Missouri communities plan and fund infrastructure improvements that will help protect public and environmental health and provide local economic benefits as well.”

The Clean Water State Revolving Fund finances improvements to wastewater treatment facilities, sewer collection system rehabilitation and extension projects, and combined sewer overflow corrections. Funds can also be used for facility security, efficiency and conservation measures. Communities that borrow from the fund benefit from the below-market interest rate and from expert assistance a department project manager provides throughout each project.

The department’s Financial Assistance Center is committed to working with communities to assist with water and wastewater infrastructure improvement projects. This project will be funded wholly or in part with monies received from the U. S. Environmental Protection Agency.

For more information on wastewater and drinking water funding opportunities, visit

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