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Water Hardness in Bow, NH

New Hampshire · 1 zip codes · 4 matched water systems

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

City avg (weighted): 16 PPM

Dataset updated March 9, 20264 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 4 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
4 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 Bow

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

4 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
Bow Municipal Water System
NH0261010
Soft
41 PPMgroundwater150 servedHigh Confidence — USGS Monitoring
Bela Brook Water
NH0262030
Soft
41 PPMgroundwater50 servedHigh Confidence — USGS Monitoring
Cary And Allen St Dev
NH1742010
Soft
41 PPMgroundwater43 servedHigh Confidence — USGS Monitoring

Zip Codes in Bow, NH

0330416

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 Bow, NH.

Submit Your Data

Frequently Asked Questions

How hard is the water in Bow, NH?

The citywide weighted average water hardness in Bow, NH is 16 PPM (0.9 GPG), classified as soft. This is based on 4 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 Bow, NH?

At 16 PPM, the citywide average is relatively soft. A water softener is generally not necessary.

Is hard water in Bow, 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 Bow, NH?

Bow, New Hampshire is served by 4 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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