Crest Hill Initiates PFAS Water Filtration Pilot Test on City Wells
Crest Hill is moving forward with a pilot test for PFAS water filtration on two contaminated wells after the City Council approved the engineering firm to seek proposals. Testing will commence in summer 2026 and is expected to last 12 to 18 months. The city is also transitioning to Lake Michigan water, with construction anticipated to start in 2027. In the meantime, a $200,000 automated pumping system has been approved to manage water mixing, and a Granular Activated Carbon filtration system is being considered for further testing.

Crest Hill is advancing with a pilot test for PFAS filtration on two city wells, following City Council approval for an engineering firm to seek proposals. Testing is expected to begin in summer 2026 and last 12 to 18 months.
High levels of PFAS were detected in several wells, prompting the city to switch to Lake Michigan water, with construction starting in 2027. A $200,000 automated pumping system, designed to mix uncontaminated water, has been approved and is set to operate after repairs on Well 8 in March. The city is also exploring a Granular Activated Carbon filtration system, but full installation will be delayed until after the pilot study is completed, likely not before 2029.




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