Water Hardness in Mason, NH

Q: Do I need a water softener in Mason, NH?

At a citywide weighted average of 25 PPM, Mason has relatively soft water. A water softener is generally not necessary.

Q: How many water systems serve Mason, NH?

Mason, New Hampshire has 5 matched water systems across 1 zip code.

New Hampshire · 1 zip codes · 5 matched water systems

25 PPM

1.5 GPG

Soft

0Soft60120180300+

Verified — Annual Water Quality Report

City avg (weighted): 25 PPM

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

System used for this reading

Manchester Water Works

NH1471010

Water source: surface water

Serves: 123,500

USGS environmental estimate: 23 PPM

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

4 verified treated-water sources

5 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 Mason

These systems are matched to Mason, NH. 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.

Water System	Source	Hardness	Pop. Served	Data Source
Manchester Water Works NH1471010	surface water	25 PPM Soft USGS estimate: 23 PPM	123,500	Verified — Annual Water Quality Report
Pennichuck Water Works NH1621010	surface water	25 PPM Soft USGS estimate: 80 PPM	89,073	Verified — Annual Water Quality Report
Merrimack Village Dist NH1531010	groundwater	25 PPM Soft USGS estimate: 80 PPM	25,500	Verified — Annual Water Quality Report
Hudson Water Dept NH1201010	groundwater	25 PPM Soft USGS estimate: 80 PPM	16,700	Verified — Annual Water Quality Report
Greenville Est Village Dist NH0993020	surface water	71 PPM Slightly Hard	472	Estimated — Nearby Data

Manchester Water Works

NH1471010

Soft

25 PPMsurface water123,500 servedVerified — Annual Water Quality Report

Source water: 23 PPM

Pennichuck Water Works

NH1621010

Soft

25 PPMsurface water89,073 servedVerified — Annual Water Quality Report

Source water: 80 PPM

Merrimack Village Dist

NH1531010

Soft

25 PPMgroundwater25,500 servedVerified — Annual Water Quality Report

Source water: 80 PPM

Hudson Water Dept

NH1201010

Soft

25 PPMgroundwater16,700 servedVerified — Annual Water Quality Report

Source water: 80 PPM

Greenville Est Village Dist

NH0993020

Slightly Hard

71 PPMsurface water472 servedEstimated — Nearby Data

Zip Codes in Mason, NH

0304825

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 Mason, NH.

Submit Your Data

Frequently Asked Questions

How hard is the water in Mason, NH?

The citywide weighted average water hardness in Mason, NH is 25 PPM (1.5 GPG), classified as soft. This is based on 5 matched water systems. The gauge highlights Manchester Water Works, a verified treated-water system, because individual systems can differ from the citywide average.

Do I need a water softener in Mason, NH?

At 25 PPM, the citywide average is relatively soft. A water softener is generally not necessary.

Is hard water in Mason, 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 Mason, NH?

Mason, New Hampshire is served by 5 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.

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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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