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Water Hardness in 60901

Kankakee, Illinois · Kankakee County

206 PPM
12 GPG
Hard
0Soft60120180300+
High Confidence — USGS Monitoring

Dataset updated March 9, 2026Matched to 25 water systemsTap readings can vary by utility zone, treatment, and plumbing. Methodology

Source context

How this ZIP reading is built

This ZIP reading is built from 25 matched water systems. When more than one system is matched, the displayed value is weighted toward larger known service populations when that data is available.

Source basis
23 USGS-backed sources
25 matched systems total for this ZIP; USGS monitoring is used where treated-water reports are unavailable.
Water source profile
Primarily surface water
Surface-water hardness can shift with reservoirs, runoff, season, and treatment. This profile is weighted by known population served across matched systems.
Data recency
March 9, 2026
Dataset rebuilt March 9, 2026; individual utility reporting years can vary.

Hardness is a mineral-content reading, not a drinking-water safety rating. Use it for scale, appliance, and softener decisions; check your utility report or test your tap before sizing treatment equipment. See how we calculate local readings.

Water Systems Serving 60901

These are the systems matched to this ZIP code. The displayed ZIP value is weighted toward larger known service populations when population data is available.

25 water systems
PWSID is the public water system identifier. Data Source shows whether the hardness value comes from a treated-water report, USGS monitoring, or a local estimate; source year is shown when available.
Aqua Illinois-Kankakee
IL0915030
Hard
206 PPMsurface water80,000 servedHigh Confidence — USGS Monitoring
Aqua Illinois-North Maine Utilities
IL0315350
Hard
206 PPMsurface water30,043 servedHigh Confidence — USGS Monitoring
Aqua Illinois-University Park
IL1975030
Hard
206 PPMsurface water7,002 servedHigh Confidence — USGS Monitoring
Aqua Illinois-Candlewick Dvn
IL0075050
Hard
206 PPMgroundwater6,426 servedHigh Confidence — USGS Monitoring
Aqua Illinois-Hawthorn Woods
IL0975040
Hard
206 PPMgroundwater3,065 servedHigh Confidence — USGS Monitoring
Showing the first 5 systems. Expand to review all matched systems.

Nearby Zip Codes

What This Means For You

Recommendations are based on the displayed ZIP hardness reading. Confirm your tap reading before sizing or buying treatment equipment.

Know your water hardness?

If you've tested your water or have your utility's CCR report, share your reading to help us improve accuracy for Kankakee, IL (60901).

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Frequently Asked Questions

Is the water hard in Kankakee, IL (60901)?

The average water hardness in 60901 is 206 PPM (12 GPG), which is classified as hard.

Do I need a water softener in 60901?

With hardness of 206 PPM, a water softener is recommended for homes in 60901.

Is hard water in 60901 safe to drink?

Water hardness itself is a mineral-content reading, not a drinking-water safety rating. Calcium and magnesium are naturally occurring minerals, but you should check your utility's Consumer Confidence Report for contaminant and compliance information.

How many water systems serve 60901?

Zip code 60901 in Kankakee, Illinois is served by 25 water systems.

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