LA GRANGE, ILLINOIS • COOK COUNTY
The latest Village of La Grange – IL0311530 Annual Drinking Water Quality Report for Calendar Year 2025 says La Grange's public water system met the standards described in that report. A utility report describes the public system. It is not a reading from one home's tap, where plumbing, fixtures, sample location, and existing treatment can change the experience.
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WATER SUPPLIER
Purchased surface water. The Village states that it purchases all of its water from the City of Chicago, which uses Lake Michigan as its source; the report says Chicago's Jardine Water Purification Plant serves suburbs including La Grange.
LOCAL WATER NUMBERS
This report does not publish a hardness figure. Ask us to test your water instead of using a guessed number.
This municipal report describes the public water system and reported sampling. It does not establish water conditions, plumbing materials, or treatment needs at a particular La Grange home, which may be affected by the service line, interior plumbing, fixtures, and local conditions.
HOMES IN THIS AREA
The 2020-2024 ACS estimate puts the median year built for La Grange housing units at 1953, a mid-century housing era. That is context for discussing plumbing access, fixture age, and updates at a specific address, not a condition report for any one home.
MORE LOCAL SERVICE AREAS
Treatment Options
We start with your home, your goals, and the installation—not an assumption drawn from a municipal report. The published report does not diagnose water at your address.
Local Questions
La Grange's 2025 report identifies purchased surface water as the Village's source and says the Village purchases all of its water from the City of Chicago. The report says Chicago uses Lake Michigan as its source and that the Jardine Water Purification Plant serves La Grange.
The report lists a 2025 lead 90th-percentile result of 6.5 ppb, zero sites over the 15 ppb action level, and no violation. This system-level result does not identify plumbing materials or water conditions at an individual La Grange home.
No. It describes the public water system and reported sampling, not a test of your home. A La Grange home's service line, interior plumbing, fixtures, and local conditions can affect conditions at that address.
Kitchen tank or tankless reverse osmosis can be included only as an add-on to a whole-home installation. We will review placement and installation details for your La Grange home.
Request a La Grange water consultation
Get a no-pressure water review.