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Joliet outlines aggressive 2025 plan to cut non-revenue water before Lake Michigan connection
Summary
City staff and consultant Kavanaugh and Associates presented a plan to accelerate reduction of non-revenue water, focusing leak detection and meter/main replacements in an identified central zone; city must reach less than 10% non‑revenue water before switching to Lake Michigan supply in 2030.
Allison Swisher, director of public utilities for the City of Joliet, and consultants from Kavanaugh and Associates told the council Monday that the city will intensify leak detection and infrastructure replacements in 2025 to reduce non‑revenue water ahead of a mandated shift to Lake Michigan supply.
The program is driven by a condition of Joliet’s Lake Michigan allocation permit from the Illinois Department of Natural Resources: the city must reduce non‑revenue water to less than 10% by the time it begins taking Lake Michigan water in 2030. Swisher said the city has been implementing a water system improvement plan since 2022 and has replaced roughly 10% of water mains and about 10,000 of the approximately 50,000 customer meters to date.
Kavanaugh consultant Will Jernigan described the three categories that make…
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