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Water Hardness in 02339

Hanover, Massachusetts · Plymouth County

25 PPM
1.5 GPG
Soft
0Soft60120180300+
Verified — Annual Water Quality Report

Dataset updated March 9, 2026Matched to 17 water systemsTap readings can vary by utility zone, treatment, and plumbing. Methodology

Source context

How this ZIP reading is built

This ZIP reading is built from 17 matched water systems. When more than one system is matched, the displayed value is weighted toward larger known service populations when that data is available.

Source basis
17 verified treated-water sources
17 matched systems total for this ZIP; treated-water reports are prioritized when available.
Water source profile
Primarily groundwater
Groundwater commonly picks up calcium and magnesium after contact with rock and soil. 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 Serving 02339

These are the systems matched to this ZIP code. The displayed ZIP value is weighted toward larger known service populations when population data is available.

17 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.
Brockton Water Department
MA4044000
Soft
25 PPMsurface water105,643 servedVerified — Annual Water Quality Report
Source water: 35 PPM
Plymouth Water Department
MA4239000
Soft
25 PPMgroundwater46,799 servedVerified — Annual Water Quality Report
Source water: 24 PPM
Weir River Water System
MA4131000
Soft
25 PPMsurface water45,339 servedVerified — Annual Water Quality Report
Source water: 54 PPM
Marshfield Water Department
MA4171000
Soft
25 PPMgroundwater34,000 servedVerified — Annual Water Quality Report
Source water: 24 PPM
Abington/Rockland Joint Wtr. Works
MA4001000
Soft
25 PPMsurface water33,647 servedVerified — Annual Water Quality Report
Source water: 54 PPM
Showing the first 5 systems. Expand to review all matched systems.

Nearby Zip Codes

023702502061250235925023412502351250238225021908020432502189802333250206625023438

What This Means For You

Recommendations are based on the displayed ZIP 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 Hanover, MA (02339).

Submit Your Data

Frequently Asked Questions

Is the water hard in Hanover, MA (02339)?

The average water hardness in 02339 is 25 PPM (1.5 GPG), which is classified as soft.

Do I need a water softener in 02339?

At 25 PPM, your water is relatively soft. A water softener is generally not necessary.

Is hard water in 02339 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 02339?

Zip code 02339 in Hanover, Massachusetts is served by 17 water systems.

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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