Westchester Water Treatment

Water Softener and Filtration in Westchester, IL

The latest Village of Westchester 2025 Water Quality Report says Westchester'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

Westchester's published water source

Lake Michigan surface water, treated by the City of Chicago and transmitted through the Broadview-Westchester Joint Water Agency to Westchester.

Source: Village of Westchester 2025 Water Quality Report (2025)

LOCAL WATER NUMBERS

What Westchester's report lists

The report's 2025 lead-and-copper table lists a lead 90th-percentile result of 9 ppb, five sites over the 15 ppb action level, and no violation.

This report does not publish a hardness figure. Ask us to test your water instead of using a guessed number.

This Consumer Confidence Report describes the municipal water system and reported sampling results. It does not determine water conditions at an individual home, which can be affected by building plumbing, service-line material, fixtures, and local conditions.

Source: Village of Westchester 2025 Water Quality Report (2025)

HOMES IN THIS AREA

Westchester's housing age context

The 2020-2024 ACS estimate puts the median year built for Westchester housing units at 1957, 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.

Source: U.S. Census Bureau, 2020-2024 American Community Survey 5-Year Estimates, Table B25035 (2024)

MORE LOCAL SERVICE AREAS

Nearby towns we serve

Bellwood Broadview Hillside La Grange Park Oak Brook

Back to all service areas

Treatment Options

Whole-home and kitchen drinking-water options

We match the approach to your home, goals, plumbing, and available space—not to a one-size-fits-all assumption about Westchester water.

Whole-home water softeners for homes seeking a softening solution.
Whole-home carbon filtration for homeowners who want carbon-filtration options.
Salt-free conditioning where it fits the home and the homeowner’s goals.
Well-water treatment only after laboratory results or a confirmed field test.
Kitchen tank or tankless reverse osmosis, available only as an add-on to a whole-home installation.

Local Questions

Westchester water-treatment FAQs

Town FAQ source: Village of Westchester 2025 Water Quality Report (2025)

Where does Westchester municipal water come from?

The Village’s 2025 Water Quality Report says Westchester water originates in Lake Michigan. It says the City of Chicago treats the water and the Broadview-Westchester Joint Water Agency transmits it to Westchester.

What period does Westchester’s latest report cover?

The Village’s 2025 report states that it covers water tested from January 1, 2025 through December 31, 2025.

What does the latest Westchester report list for lead sampling?

The report’s 2025 lead-and-copper table lists a lead 90th-percentile result of 9 ppb, five sites over the 15 ppb action level, and no violation. Reported system sampling is not a test of water at an individual Westchester home.

Does the Westchester report mention a notification violation?

Yes. The report records a July 2, 2025 notification violation related to certification of lead-service-line notifications. It says the required notifications were distributed and the required certification was submitted as corrective action.