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Water Hardness in Storrs Mansfield, CT

Connecticut · 1 zip codes · 5 matched water systems

27 PPM
1.6 GPG
Soft
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
5 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 Storrs Mansfield

These systems are matched to Storrs Mansfield, CT. 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.
University Of Connecticut - Main Campus
CT0780021
Soft
27 PPMsurface water27,199 servedHigh Confidence — USGS Monitoring
Knollwood Apartments
CT0780051
Soft
35 PPMgroundwater312 servedHigh Confidence — USGS Monitoring
Carriage House Apartments
CT0780181
Soft
35 PPMgroundwater196 servedHigh Confidence — USGS Monitoring
Maplewood-Millbrook Apartments
CT0780161
Soft
35 PPMgroundwater153 servedHigh Confidence — USGS Monitoring
Club House Apartments
CT0780101
Soft
35 PPMgroundwater115 servedHigh Confidence — USGS Monitoring

Zip Codes in Storrs Mansfield, CT

What This Means For You

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

Your Water Is Soft

Your water hardness is in the soft range. You likely don't need a water softener. Enjoy your naturally soft water!

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 Storrs Mansfield, CT.

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Frequently Asked Questions

How hard is the water in Storrs Mansfield, CT?

The citywide weighted average water hardness in Storrs Mansfield, CT is 27 PPM (1.6 GPG), classified as soft. This is based on 5 matched water systems.

Do I need a water softener in Storrs Mansfield, CT?

At 27 PPM, the citywide average is relatively soft. A water softener is generally not necessary.

Is hard water in Storrs Mansfield, CT 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 Storrs Mansfield, CT?

Storrs Mansfield, Connecticut is served by 5 matched water systems across 1 zip code.

Learn More About Your Water