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Water Hardness in Epsom, NH

New Hampshire · 1 zip codes · 10 matched water systems

16 PPM
0.9 GPG
Soft
0Soft60120180300+
Verified — Annual Water Quality Report

City avg (weighted): 17 PPM

Dataset updated March 9, 202610 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology

System used for this reading
Concord Water Dept
NH0501010
Water source: surface water
Serves: 44,215
USGS environmental estimate: 41 PPM
Source context

How this city reading is built

This city reading is a weighted rollup across 10 matched water systems and 1 ZIP code. Citywide readings are useful for comparison, but individual utility zones and ZIPs can differ.

Source basis
1 verified treated-water source
10 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 Epsom

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

10 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.
Concord Water Dept
NH0501010
Soft
16 PPMsurface water44,215 servedVerified — Annual Water Quality Report
Source water: 41 PPM
Epsom Village Water Distict
NH0771010
Soft
41 PPMgroundwater800 servedEstimated — Nearby Data
Kings Towne Mhp
NH0773010
Soft
41 PPMgroundwater350 servedEstimated — Nearby Data
Epsom Healthcare Ctr
NH0774010
Soft
41 PPMgroundwater240 servedEstimated — Nearby Data
Sheltering Pines Mhp
NH0773030
Soft
41 PPMgroundwater125 servedEstimated — Nearby Data
Showing the first 5 systems. Expand to review all matched systems.

Zip Codes in Epsom, NH

0323417

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 Epsom, NH.

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Frequently Asked Questions

How hard is the water in Epsom, NH?

The citywide weighted average water hardness in Epsom, NH is 17 PPM (1 GPG), classified as soft. This is based on 10 matched water systems. The gauge highlights Concord Water Dept, a verified treated-water system, because individual systems can differ from the citywide average.

Do I need a water softener in Epsom, NH?

At 17 PPM, the citywide average is relatively soft. A water softener is generally not necessary.

Is hard water in Epsom, NH 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 Epsom, NH?

Epsom, New Hampshire is served by 10 matched water systems across 1 zip code.

Learn More About Your Water

Water Hardness Scale: PPM and GPG Chart

Use the USGS water hardness scale to compare PPM, GPG, and mg/L levels from soft to very hard water.

10 min read

How to Test Water Hardness at Home

Compare free lookups, soap tests, test strips, liquid drop kits, and lab tests for measuring water hardness.

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