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Water Hardness in 60465

Palos Hills, Illinois · Cook County

148 PPM
8.7 GPG
Moderately Hard
0Soft60120180300+
Verified — Annual Water Quality Report

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
25 verified treated-water sources
25 matched systems total for this ZIP; treated-water reports are prioritized when available.
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 60465

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.
Chicago
IL0316000
Moderately Hard
148 PPMsurface water2,746,388 servedVerified — Annual Water Quality Report
Source water: 207 PPM
Cicero
IL0310510
Moderately Hard
148 PPMsurface water83,000 servedVerified — Annual Water Quality Report
Source water: 485 PPM
Schaumburg
IL0314890
Moderately Hard
148 PPMsurface water75,750 servedVerified — Annual Water Quality Report
Source water: 425 PPM
Evanston
IL0310810
Moderately Hard
148 PPMsurface water74,486 servedVerified — Annual Water Quality Report
Source water: 207 PPM
Arlington Heights
IL0314030
Moderately Hard
148 PPMsurface water73,320 servedVerified — Annual Water Quality Report
Source water: 425 PPM
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 Palos Hills, IL (60465).

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Frequently Asked Questions

Is the water hard in Palos Hills, IL (60465)?

The average water hardness in 60465 is 148 PPM (8.7 GPG), which is classified as moderately hard.

Do I need a water softener in 60465?

With hardness of 148 PPM, a water softener is worth considering for homes in 60465.

Is hard water in 60465 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 60465?

Zip code 60465 in Palos Hills, Illinois is served by 25 water systems.

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