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Oak Park outlines lead-service replacement obligations, homeowner options and planned water/sewer capital work
Summary
Staff updated the Finance Committee on ongoing water and sewer main replacements, lead-service-line rules under state law, village cost responsibilities for public-side failures and a plan to phase replacements over multi-year schedules required by state law.
Village staff on Sept. 11 briefed the Finance Committee on planned water and sewer main replacements for 2026, the village’s approach to lead-service-line replacement, and several pump-station and valve projects deemed necessary for system reliability.
Staff described a routine program to replace aging water and sewer mains; one South-side project is driven by CCTV inspection results identifying sewer main condition issues. Staff said the village typically replaces the public-side service up to the curb and offers homeowners the option to have the private-side replacement included in the village contract as a convenient pass-through; staff said the village does not take profit on those private-side replacements and that homeowners write the check for the private portion.
On lead-service-line policy, staff reminded the committee of a 2022 state law change that prohibits partial repairs for lead lines: if a lead line failure triggers replacement, the entire service line must be replaced. Staff said the village will pay for and facilitate the full replacement when the failure occurs on the public side (the portion between the main and the b-box). Staff cited inventory and mapping work showing roughly 8,500 service-line records in the village database, of which approximately 4,700 are estimated to require total replacement and the remainder are partial replacements or have village-side already replaced.
Committee members asked about timelines and funding. Staff noted the state-mandated replacement schedule starting in 2027 implies a much faster cadence (roughly 450 full replacements per year under the state's schedule) than the village’s prior pace and that the village is developing rate and financing options ahead of the required schedule; a village consultant will work with staff to prepare a replacement plan and rate study for board consideration.
Staff also reviewed water-system capital needs including valve replacements, central pumping-station structural repairs and proposed conversion from chlorine gas to a liquid disinfection system to reduce risk from gas handling; staff said construction for some items is planned in 2027 and beyond.
Ending: Staff said it will continue public communications, maintain an interactive map and annual notices required by law, and return to the board with a detailed replacement and financing plan.
