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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.