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Water Hardness in Hampshire, IL

Illinois · 1 zip codes · 13 matched water systems

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

City avg (weighted): 152 PPM

Dataset updated March 9, 202613 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology

System used for this reading
Aurora
IL0894070
Water source: surface water
Serves: 183,000
USGS environmental estimate: 400 PPM
Source context

How this city reading is built

This city reading is a weighted rollup across 13 matched water systems and 1 ZIP code. Citywide readings are useful for comparison, but individual utility zones and ZIPs can differ.

Source basis
12 verified treated-water sources
13 matched systems total for this city; 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 in Hampshire

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

13 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.
Aurora
IL0894070
Moderately Hard
148 PPMsurface water183,000 servedVerified — Annual Water Quality Report
Source water: 400 PPM
Elgin
IL0894380
Moderately Hard
148 PPMsurface water114,797 servedVerified — Annual Water Quality Report
Source water: 255 PPM
Carpentersville
IL0890200
Moderately Hard
148 PPMgroundwater37,983 servedVerified — Annual Water Quality Report
Source water: 779 PPM
St Charles
IL0894830
Moderately Hard
148 PPMgroundwater33,103 servedVerified — Annual Water Quality Report
Source water: 779 PPM
Montgomery
IL0894690
Moderately Hard
148 PPMgroundwater28,956 servedVerified — Annual Water Quality Report
Source water: 236 PPM
Showing the first 5 systems. Expand to review all matched systems.

Zip Codes in Hampshire, 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 Hampshire, IL.

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Frequently Asked Questions

How hard is the water in Hampshire, IL?

The citywide weighted average water hardness in Hampshire, IL is 152 PPM (8.9 GPG), classified as moderately hard. This is based on 13 matched water systems. The gauge highlights Aurora, a verified treated-water system, because individual systems can differ from the citywide average.

Do I need a water softener in Hampshire, IL?

With a citywide average hardness of 152 PPM, a water softener is worth considering for homes in Hampshire. Confirm your tap reading before sizing equipment.

Is hard water in Hampshire, 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 Hampshire, IL?

Hampshire, Illinois is served by 13 matched water systems across 1 zip code.

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