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Water Hardness in Saint Anne, IL

Illinois · 1 zip codes · 5 matched water systems

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

Dataset updated March 9, 20265 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology

Source context

How this city reading is built

This city reading is a weighted rollup across 5 matched water systems and 1 ZIP code. Citywide readings are useful for comparison, but individual utility zones and ZIPs can differ.

Source basis
3 USGS-backed sources
5 matched systems total for this city; 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 in Saint Anne

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

5 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
Pembroke Township
IL0910010
Hard
207 PPMgroundwater1,410 servedEstimated — County Avg
St Anne
IL0910700
Moderately Hard
152 PPMgroundwater1,200 servedHigh Confidence — USGS Monitoring
Hopkins Park
IL0910040
Hard
207 PPMgroundwater579 servedEstimated — County Avg
Beaver Creek Village Mhp
IL0755125
Moderately Hard
152 PPMgroundwater13 servedHigh Confidence — USGS Monitoring

Zip Codes in Saint Anne, 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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If you've tested your water or have your utility's CCR report, share your reading to help us improve accuracy for Saint Anne, IL.

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Frequently Asked Questions

How hard is the water in Saint Anne, IL?

The citywide weighted average water hardness in Saint Anne, IL is 205 PPM (12 GPG), classified as hard. This is based on 5 matched water systems.

Do I need a water softener in Saint Anne, IL?

With a citywide average hardness of 205 PPM, a water softener is recommended for homes in Saint Anne. Confirm your tap reading before sizing equipment.

Is hard water in Saint Anne, 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 Saint Anne, IL?

Saint Anne, Illinois is served by 5 matched water systems across 1 zip code.

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