Water Hardness in Quincy, MA

Q: Do I need a water softener in Quincy, MA?

At a citywide weighted average of 8 PPM, Quincy has relatively soft water. A water softener is generally not necessary.

Q: How many water systems serve Quincy, MA?

Quincy, Massachusetts has 22 matched water systems across 3 zip codes.

Massachusetts · 3 zip codes · 22 matched water systems

8 PPM

0.5 GPG

Soft

0Soft60120180300+

Verified — Annual Water Quality Report

City avg (weighted): 8 PPM

Dataset updated March 9, 202622 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology

System used for this reading

Quincy Water Dept. (Mwra)

MA3243000

Water source: surface water

Serves: 106,000

USGS environmental estimate: 54 PPM

Source context

How this city reading is built

This city reading is a weighted rollup across 22 matched water systems and 3 ZIP codes. Citywide readings are useful for comparison, but individual utility zones and ZIPs can differ.

Source basis

22 verified treated-water sources

22 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 Quincy

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

22 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
Quincy Water Dept. (Mwra) MA3243000	surface water	8 PPM Soft USGS estimate: 54 PPM	106,000	Verified — Annual Water Quality Report
Brookline Water And Sewer Division MA3046000	surface water	8 PPM Soft USGS estimate: 66 PPM	63,191	Verified — Annual Water Quality Report
Weymouth Water Department MA4336000	surface water	8 PPM Soft USGS estimate: 54 PPM	57,613	Verified — Annual Water Quality Report
Randolph/Holbrook Joint Water Board MA4244001	surface water	8 PPM Soft USGS estimate: 54 PPM	45,767	Verified — Annual Water Quality Report
Dedham Westwood Water Dist. MA3073000	surface water	8 PPM Soft USGS estimate: 66 PPM	41,630	Verified — Annual Water Quality Report

Quincy Water Dept. (Mwra)

MA3243000

Soft

8 PPMsurface water106,000 servedVerified — Annual Water Quality Report

Source water: 54 PPM

Brookline Water And Sewer Division

MA3046000

Soft

8 PPMsurface water63,191 servedVerified — Annual Water Quality Report

Source water: 66 PPM

Weymouth Water Department

MA4336000

Soft

8 PPMsurface water57,613 servedVerified — Annual Water Quality Report

Source water: 54 PPM

Randolph/Holbrook Joint Water Board

MA4244001

Soft

8 PPMsurface water45,767 servedVerified — Annual Water Quality Report

Source water: 54 PPM

Dedham Westwood Water Dist.

MA3073000

Soft

8 PPMsurface water41,630 servedVerified — Annual Water Quality Report

Source water: 66 PPM

Showing the first 5 systems. Expand to review all matched systems.

Zip Codes in Quincy, MA

021698 021708 021718

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 Quincy, MA.

Submit Your Data

Frequently Asked Questions

How hard is the water in Quincy, MA?

The citywide weighted average water hardness in Quincy, MA is 8 PPM (0.5 GPG), classified as soft. This is based on 22 matched water systems.

Do I need a water softener in Quincy, MA?

At 8 PPM, the citywide average is relatively soft. A water softener is generally not necessary.

Is hard water in Quincy, MA 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 Quincy, MA?

Quincy, Massachusetts is served by 22 matched water systems across 3 zip codes.

Learn More About Your Water

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