New sewer interceptor project supports regional wastewater expansion in Illinois

(UI) - The Bloomington-Normal Water Reclamation District (BNWRD) is advancing a new sewer interceptor project aimed at increasing system capacity and supporting long-term regional wastewater expansion in central Illinois. 

The Northwest Sewer Interceptor Project includes a new two-mile pipeline designed to handle growing wastewater flows on the west side of the Bloomington-Normal area. According to WGLT News, phase one of the $7.5 million project will connect the district’s treatment plant to key service areas, helping prevent overflows into local waterways and accommodate future development.

Officials said the interceptor is part of a broader strategy to regionalize wastewater services, with potential future connections extending along the I-39 corridor to nearby communities, including Hudson and other smaller municipalities. The approach reflects a growing industry trend of consolidating treatment services to improve efficiency and environmental performance.

In parallel, BNWRD is investing in major upgrades to its treatment facilities, including a $40 million project to increase capacity and meet stricter water quality standards, WGLT reported. Additional efforts include modernizing aging infrastructure, improving phosphorus removal, and expanding green infrastructure to protect local waterways.

The interceptor project and related upgrades are intended to support long-term growth while enhancing system reliability and environmental outcomes across the region.

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