Massachusetts
Water Quality Report
74 Good
Average Score
74/100
Water Systems
321
Population
10.0M
Violations
793 330 unresolved
Score Distribution
47 A
55 B
34 C
15 D
12 F
Top Contaminant Violations
| Contaminant | Violations |
|---|---|
| Copper (90th percentile) | 4 |
Lowest Scoring Water Systems
0
Hudson Water Supply F
MA2141000 Hudson, MA 20,032 served
14
Brockton Water Department F
MA4044000 Brockton, MA 105,788 served
19
Westborough Water Department F
MA2328000 Westborough, MA 21,567 served
20
Westfield Dpwwater Division F
MA1329000 Westfield, MA 41,094 served
30
Pittsfield Dpu Water Dept F
MA1236000 Pittsfield, MA 43,927 served
Counties in Massachusetts
Cities in Massachusetts
View all 283 cities →Popular City Comparisons in Massachusetts
Quickly compare major cities in Massachusetts by water quality score and grade.
Frequently Asked Questions
Is tap water in Massachusetts safe to drink?
Massachusetts has an average WaterQ score of 74/100 across 321 public water systems. Safety can vary by city and system, so check your local report for recent violations and contaminants.
How many water systems are in Massachusetts?
WaterQ currently tracks 321 public water systems in Massachusetts.
Where can I compare cities in Massachusetts?
Use the city list below to open detailed reports, or visit the compare tool to benchmark two cities side-by-side on score, grade, and system coverage.