Massachusetts
Water Quality Report
73 Good
Average Score
73/100
Water Systems
321
Population
10.0M
Violations
4 all resolved
Score Distribution
3 A
0 B
0 C
1 D
0 F
Top Contaminant Violations
| Contaminant | Violations |
|---|---|
| Barium | 1 |
Lowest Scoring Water Systems
41
Worcester Water Department D
MA3349000 Worcester, MA 206,518 served
100
Massachusetts Water Resources Authority (Boston) A
MA3035000 Boston, MA 675,647 served
100
Springfield Water and Sewer Commission A
MA3013000 Springfield, MA 155,929 served
100
Cambridge Water Department A
MA3035001 Cambridge, MA 118,927 served
Counties in Massachusetts
Cities in Massachusetts
View all 281 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 73/100 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.