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Water Hardness in East Peoria, IL

Illinois · 1 zip codes · 11 matched water systems

170 PPM
9.9 GPG
Moderately Hard
0Soft60120180300+
Verified — Annual Water Quality Report

City avg (weighted): 224 PPM

Dataset updated March 9, 202611 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology

System used for this reading
Il American-Pekin
IL1795040
Water source: groundwater
Serves: 31,731
USGS environmental estimate: 207 PPM
Source context

How this city reading is built

This city reading is a weighted rollup across 11 matched water systems and 1 ZIP code. Citywide readings are useful for comparison, but individual utility zones and ZIPs can differ.

Source basis
4 verified treated-water sources
11 matched systems total for this city; treated-water reports are prioritized when available.
Water source profile
Primarily groundwater
Groundwater commonly picks up calcium and magnesium after contact with rock and soil. 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 in East Peoria

These systems are matched to East Peoria, IL. Citywide readings are useful for comparison, but the system serving a specific address may differ from the city average.

11 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.
Il American-Pekin
IL1795040
Moderately Hard
170 PPMgroundwater31,731 servedVerified — Annual Water Quality Report
Source water: 207 PPM
East Peoria
IL1790200
Moderately Hard
170 PPMgroundwater22,284 servedVerified — Annual Water Quality Report
Source water: 600 PPM
Morton
IL1790500
Moderately Hard
170 PPMgroundwater17,111 servedVerified — Annual Water Quality Report
Source water: 321 PPM
Washington
IL1790750
Moderately Hard
170 PPMgroundwater14,793 servedVerified — Annual Water Quality Report
Source water: 321 PPM
North Tazewell Pwd
IL1795780
Very Hard
600 PPMgroundwater8,300 servedEstimated — Nearby Data
Showing the first 5 systems. Expand to review all matched systems.

Zip Codes in East Peoria, IL

What This Means For You

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

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Frequently Asked Questions

How hard is the water in East Peoria, IL?

The citywide weighted average water hardness in East Peoria, IL is 224 PPM (13.1 GPG), classified as hard. This is based on 11 matched water systems. The gauge highlights Il American-Pekin, a verified treated-water system, because individual systems can differ from the citywide average.

Do I need a water softener in East Peoria, IL?

With a citywide average hardness of 224 PPM, a water softener is recommended for homes in East Peoria. Confirm your tap reading before sizing equipment.

Is hard water in East Peoria, IL 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 East Peoria, IL?

East Peoria, Illinois is served by 11 matched water systems across 1 zip code.

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