Suffolk Water Quality Report
4 cities ranked · Average grade: B+ · Massachusetts
Avg Score
81.9
Cities Ranked
4
Health Violations
4
PFAS Detected
1
81.9
County avg score
4
Cities ranked
100%
A or B grade
0%
D or F grade
4
Health violations
1
PFAS detected
Grade Distribution
How Suffolk cities scored
A
1
25%
Excellent
B
3
75%
Good
C
0
0%
Fair
D
0
0%
Poor
F
0
0%
Failing
Comparison
County vs Massachusetts average
▲ 2.6 pts above state average
City Map
Water quality across Suffolk
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Suffolk
Best cities
Worst cities
County context
1
Superfund site in Suffolk
78.3%
of residents on fluoridated water (CDC, 2020)
29
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Suffolk
Industrial polluters nearby
Facilities reporting the most surface-water releases in Suffolk, 2023.
Total reported releases to surface water: 29 lbs
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
IRVING OIL TERMINALS INC. REVERE, MA02151 | Benzene | 22 |
GLOBAL COMPANIES LLC REVERE, MA02151 | Polycyclic aromatic compounds | 7 |
CHELSEA SANDWICH LLC CHELSEA, MA02150 | Lead And Lead Compounds | 0 |
THE GILLETTE CO LLC BOSTON, MA02127 | — | — |
BOSTON SAND & GRAVEL - CHARLESTOWN PLANT & GARAGE CHARLESTOWN, MA02129 | — | — |
+ 3 more facilities
Source: EPA Toxic Release Inventory (TRI) 2023
Superfund sites
Superfund sites in Suffolk
Superfund sites nearby
Federally tracked hazardous-waste sites within Suffolk on the EPA National Priorities List.
- LOWER NEPONSET RIVER
Source: EPA Superfund National Priorities List
Full Rankings