Massachusetts Water Quality Report 2026

8 cities3,404,162 residentsUpdated March 2026

B82/100State Average
Massachusetts has 8 cities in our database, serving approximately 3,404,162 residents. The average PurityMap score is 82.0/100 (Grade: B), which is 4.1 points above the US average of 77.9/100. Boston has the cleanest water (82/100) while Boston scores lowest (82/100) due to lower overall score.
Is Massachusetts Tap Water Safe to Drink?
Safe to Drink

Massachusetts tap water is safe to drink based on our analysis of 8 water systems serving 3,404,162 residents. The average PurityMap score is 82.0/100 (Grade: B), which is 4.1 points above the national average.

  • 8 cities use chloramine or have elevated chlorine residuals. Standard Brita pitchers do not remove chloramine.
Our Recommendation

Massachusetts water is generally good quality. A carbon pitcher or faucet filter removes chlorine taste and provides extra protection. No major filtration investment is needed for most residents.

All 8 cities in Massachusetts meet EPA federal drinking water standards as of 2026. However, EPA standards set legal limits — not health goals. Many contaminants are detected at levels that are legal but may still pose long-term health risks according to independent health organizations like the EWG.
Massachusetts at a Glance
82Avg Purity Score
2.3Avg Hardness (GPG)
Soft
0Cities with PFAS
0Cities with Hard Water
2.6Avg Lead (ppb)
63Avg TDS (ppm)

Massachusetts is 4.1 points above the US average of 77.9/100. Hardness is 4.0 GPG below the US average of 6.3 GPG.

Best & Worst Water in Massachusetts
Consistent Quality

All 8 cities score similarly

82/100
Score Distribution

How Massachusetts's 8 cities score on the PurityMap 0–100 scale:

Excellent (85–100)
0 cities
Good (70–84)
8 cities
Moderate (60–69)
0 cities
Poor (below 60)
0 cities
Largest Cities in Massachusetts — Water Quality

Water quality for the most populated cities. Click any city for details.









CityPopulationScoreHardnessKey Issues
Boston2.5M 82/1002.1 GPG
Worcester206K 82/1002.2 GPG
Springfield156K 82/1002.0 GPG
Cambridge118K 82/1002.1 GPG
Lowell116K 82/1003.5 GPG
Brockton106K 82/1002.5 GPG
Quincy102K 82/1002.1 GPG
New Bedford101K 82/1001.8 GPG
Hard Water in Massachusetts

Massachusetts generally has soft to moderate water. Average: 2.3 GPG (Soft). Most residents do not need a softener.

PFAS in Massachusetts Water

Based on EPA UCMR5 data, PFAS have not been detected above advisory levels in any Massachusetts cities in our database as of 2026.

Lead in Massachusetts Water

All Massachusetts cities have lead below 5 ppb. Average: 2.6 ppb. Individual homes with older plumbing may have higher levels.

Water Sources in Massachusetts

Where Massachusetts gets its drinking water, based on 8 water systems.


Source TypeCities% of Total
Surface Water8100%
Recommended Filter for Massachusetts

Massachusetts water is generally good. A carbon pitcher filter improves taste.

All Massachusetts Cities — Ranked
#CityPop.ScoreHardnessLeadPFASTDS
1Boston2.5M 82/1002.1 GPG (Soft)1.5 ppb✅ No48 ppm
2Worcester206K 82/1002.2 GPG (Soft)2.8 ppb✅ No52 ppm
3Springfield156K 82/1002.0 GPG (Soft)2.5 ppb✅ No45 ppm
4Lowell116K 82/1003.5 GPG (Soft)3.8 ppb✅ No125 ppm
5Cambridge118K 82/1002.1 GPG (Soft)1.5 ppb✅ No48 ppm
6Brockton106K 82/1002.5 GPG (Soft)3.5 ppb✅ No80 ppm
7New Bedford101K 82/1001.8 GPG (Soft)4.0 ppb✅ No55 ppm
8Quincy102K 82/1002.1 GPG (Soft)1.5 ppb✅ No48 ppm
Water Utilities in Massachusetts

Massachusetts has 6 utilities. Major: MWRA Massachusetts Water Resources Authority, City of Worcester DPW, Springfield Water and Sewer Commission, Lowell Regional Water Utility, City of Brockton Water Commission.

Sources: Quabbin and Wachusett reservoirs, Quabbin Reservoir, Ludlow Reservoir, Merrimack River, Silver Lake and Brockton Reservoir.

Frequently Asked Questions
Which city has the best water in Massachusetts?
Boston scores highest at 82/100. Source: Quabbin and Wachusett reservoirs.
Which city has the worst water in Massachusetts?
Boston scores lowest at 82/100 due to lower overall score.
Is Massachusetts water hard or soft?
Average hardness: 2.3 GPG (Soft). 4.0 GPG below the US average of 6.3 GPG. 0 of 8 cities have hard/very hard water.
Has PFAS been found in Massachusetts water?
Based on EPA UCMR5 data, PFAS have not been detected above advisory levels in any Massachusetts cities in our database as of 2026.
What water filter should I use in Massachusetts?
Massachusetts water is generally good. A carbon pitcher filter improves taste.
How does Massachusetts water compare to the US average?
Score: 82.0/100 (4.1 points above US avg 77.9). Hardness: 2.3 GPG (4.0 GPG below US avg 6.3).
Where does Massachusetts get its drinking water?Where does Massachusetts get its drinking water?
Massachusetts water comes from: Surface Water: 8 cities (100%).
Data Sources & Methodology
  • EPA Safe Drinking Water Information System
  • EWG Tap Water Database
  • State utility Consumer Confidence Reports
  • USGS regional water monitoring data

PurityMap compiles publicly available data and does not perform independent testing.

All Massachusetts Cities with Water Reports

8 city water quality reports available for Massachusetts.

Explore Water Quality by State

Compare water quality reports across all 50 US states

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