A short, sourced roundup of drinking water news that affects Joliet homeowners. Each item links to the original report so you can read it in full. Joliet's water comes from the City of Joliet wells, so Illinois and national rules matter here.
EPA proposes changes to the PFAS drinking water rule
One proposal keeps the PFOA and PFOS limits with an option for water systems to request until 2031 to comply; another would rescind limits for four other PFAS.
EPA says it will keep PFOA and PFOS limits
EPA announced it would keep the limits for the two most-studied PFAS and reconsider the others.
Statewide: 1.38 million Illinois service lines need replacement
The Illinois Municipal League's 2025 survey, using Illinois EPA's 2024 inventory data, counted 1,384,236 lead, galvanized-requiring-replacement, and unknown lines statewide and estimated replacement at more than $20.9 billion.
Source: Illinois Municipal League — 2025 IML Lead Service Line Survey
EPA finalizes the Lead and Copper Rule Improvements
Most water systems must replace lead service lines within 10 years, and the lead action level drops to 10 ppb. A water utility trade group has challenged the rule in court; EPA is defending it.
EPA sets the first national PFAS drinking water limits
The rule set 4 parts per trillion limits for PFOA and PFOS and requires systems to report PFAS levels to the public starting in 2027.
Sources
- Per- and Polyfluoroalkyl Substances (PFAS): Final PFAS National Primary Drinking Water Regulation — U.S. EPA
- 2025 IML Lead Service Line Survey — Illinois Municipal League
- Lead and Copper Rule Improvements — U.S. EPA, October 8, 2024
This guide is general information, not medical or legal advice. Joliet Water Filtration is an independent business and is not affiliated with the City of Joliet. Product certifications are model-specific and can change; check the current listing before you buy.
