East Hartford, CT water hardness

Tap water hardness
16mg/L
0.9gpg
Soft

Reported by Metropolitan District Commission · September 2025

CT typical
53 mg/L
EPA health violations since 2016
0
Data
Utility report

East Hartford water measures 16 mg/L (0.9 gpg) of hardness, soft by USGS standards. The number comes from Metropolitan District Commission, dated September 2025.

East Hartford on the hardness scale, with nearby cities
060120180240300360+CT typical 53Hartford: 16 mg/LHartford 16Glastonbury Center: 16 mg/LGlastonbury Center 16Wethersfield: 16 mg/LWethersfield 16West Hartford: 16 mg/LWest Hartford 16Newington: 16 mg/LNewington 16Rockville: 61 mg/LRockville 61Windsor Locks: 61 mg/LWindsor Locks 61Middletown: 64 mg/LMiddletown 64Manchester: 131 mg/LManchester 131New Britain: 162 mg/LNew Britain 162East Hartford 16mg/L as calcium carbonate060120180240300360+CT 53Hartford: 16 mg/LHartford 16Glastonbury Center: 16 mg/LGlastonbur. 16Wethersfield: 16 mg/LWethersfie. 16West Hartford: 16 mg/LWest Hartf. 16Newington: 16 mg/LNewington 16Manchester: 131 mg/LManchester 13116 mg/Lmg/L as calcium carbonate
Soft 0–60 mg/LModerately hard 61–120 mg/LHard 121–180 mg/LVery hard 181+ mg/L

East Hartford sits 37 mg/L below the typical Connecticut figure of 53. None of the 10 nearest cities we track has softer water. The range nearby runs from 16 mg/L in Hartford to 162 in New Britain.

What 16 mg/L means at home

Soap and shampoo lather with very little product. Kettles and showerheads stay mostly free of white crust.

Some people notice that soap feels slow to rinse off in soft water. That slippery feel is normal and harmless.

Hardness is not a health problem, and EPA sets no limit for it. It is a matter of scale and soap.

What to do about it

Nothing, as far as hardness goes. At 16 mg/L a softener would have almost nothing to remove.

Carbon filter

If the water tastes of chlorine, a pitcher or faucet carbon filter takes care of that. It does not change hardness.

EPA record for East Hartford's water system

Metropolitan District Commission · PWSID CT0640011

No health-based violations since 2016

Serves about 390,887 people from surface water.

Health-based
0
Monitoring or reporting
2
Open now
0

Health-based means a contaminant above its legal limit or a missed treatment step. Monitoring and reporting violations are late or missing tests and notices. Source: EPA ECHO, 2026Q3 export, violations with periods starting 2016 or later. Full EPA record.

Questions

Is East Hartford water hard?

No. It measures about 16 mg/L (0.9 grains per gallon), which the USGS classes as soft.

What is the water hardness in East Hartford in grains per gallon?

About 0.9 gpg. One grain per gallon equals 17.1 mg/L, so 16 mg/L divided by 17.1 gives 0.9.

Has the East Hartford water system had EPA violations?

EPA records show no health-based violations for Metropolitan District Commission since 2016. There were also 2 monitoring or reporting violations, which are about late or missing tests and notices.

Nearby cities

All 51 cities in Connecticut

Hardness data: TapWaterData US Water Hardness (utility report, September 30, 2025), CC BY 4.0. Population: US Census Bureau. Violations: EPA ECHO. How we use them.