Arlington Heights Water Treatment

Water Softener and Filtration in Arlington Heights, IL

The latest Village of Arlington Heights 2025 Water Quality Report says Arlington Heights'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.

Call for Arlington Heights service

Request your Arlington Heights water consultation

WATER SUPPLIER

Arlington Heights's published water source

Lake Michigan surface water, treated by the City of Evanston and distributed to Arlington Heights through the Northwest Water Commission.

Source: Village of Arlington Heights 2025 Water Quality Report (2025)

LOCAL WATER NUMBERS

What Arlington Heights's report lists

The report states that Lake Michigan is Arlington Heights’ sole water source; the Village changed from deep-well groundwater to Lake Michigan surface water in 1985.
The report states that the Arlington Heights water system did not exceed any State or Federal contaminant levels or other water-quality standard during 2025.

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 Arlington Heights 2025 Water Quality Report (2025)

HOMES IN THIS AREA

Arlington Heights's housing age context

The 2020-2024 ACS estimate puts the median year built for Arlington Heights housing units at 1974, a late twentieth-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

Buffalo Grove Elk Grove Village Mount Prospect Palatine Prospect Heights

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 Arlington Heights 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

Arlington Heights water-treatment FAQs

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

Where does Arlington Heights municipal water come from?

The Village’s 2025 Water Quality Report identifies Lake Michigan as the sole source for Arlington Heights. The report says the City of Evanston treats the water and the Northwest Water Commission distributes it to Arlington Heights.

Did Arlington Heights’ water system meet standards in the latest report?

Yes. The Village’s 2025 report states that the Arlington Heights water system did not exceed any State or Federal contaminant levels or other water-quality standard during 2025.

Does the Village report tell me what is happening at my faucet?

Not by itself. The report describes the municipal system and reported sampling; conditions at an Arlington Heights home can also be affected by its plumbing, service-line material, fixtures, and local conditions.

Can I add reverse osmosis for drinking water in my Arlington Heights kitchen?

Yes, kitchen tank or tankless reverse osmosis can be included as an add-on when we install a whole-home system. We will review the placement and installation details for your Arlington Heights home.