Water Hardness in West Roxbury, MA

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

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

Q: How many water systems serve West Roxbury, MA?

West Roxbury, Massachusetts has 5 matched water systems across 1 zip code.

Massachusetts · 1 zip codes · 5 matched water systems

8 PPM

0.5 GPG

Soft

0Soft60120180300+

Verified — Annual Water Quality Report

City avg (weighted): 8 PPM

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

System used for this reading

Mwra

MA6000000

Water source: surface water

Serves: 2,660,000

USGS environmental estimate: 123 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

5 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 West Roxbury

These systems are matched to West Roxbury, MA. 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
Mwra MA6000000	surface water	8 PPM Soft USGS estimate: 123 PPM	2,660,000	Verified — Annual Water Quality Report
Boston Water And Sewer Commission (Mwra) MA3035000	surface water	8 PPM Soft USGS estimate: 54 PPM	675,647	Verified — Annual Water Quality Report
Revere Water Division (Mwra) MA3248000	surface water	8 PPM Soft USGS estimate: 123 PPM	62,186	Verified — Annual Water Quality Report
Chelsea Water Dept. (Mwra) MA3057000	surface water	8 PPM Soft USGS estimate: 123 PPM	38,319	Verified — Annual Water Quality Report
Winthrop Water Division, (Mwra) MA3346000	surface water	8 PPM Soft USGS estimate: 123 PPM	19,316	Verified — Annual Water Quality Report

Mwra

MA6000000

Soft

8 PPMsurface water2,660,000 servedVerified — Annual Water Quality Report

Source water: 123 PPM

Boston Water And Sewer Commission (Mwra)

MA3035000

Soft

8 PPMsurface water675,647 servedVerified — Annual Water Quality Report

Source water: 54 PPM

Revere Water Division (Mwra)

MA3248000

Soft

8 PPMsurface water62,186 servedVerified — Annual Water Quality Report

Source water: 123 PPM

Chelsea Water Dept. (Mwra)

MA3057000

Soft

8 PPMsurface water38,319 servedVerified — Annual Water Quality Report

Source water: 123 PPM

Winthrop Water Division, (Mwra)

MA3346000

Soft

8 PPMsurface water19,316 servedVerified — Annual Water Quality Report

Source water: 123 PPM

Zip Codes in West Roxbury, MA

021328

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 West Roxbury, MA.

Submit Your Data

Frequently Asked Questions

How hard is the water in West Roxbury, MA?

The citywide weighted average water hardness in West Roxbury, MA is 8 PPM (0.5 GPG), classified as soft. This is based on 5 matched water systems.

Do I need a water softener in West Roxbury, MA?

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

Is hard water in West Roxbury, 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 West Roxbury, MA?

West Roxbury, Massachusetts is served by 5 matched water systems across 1 zip code.

Learn More About Your Water

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