78
County avg score
26
Cities ranked
88%
A or B grade
12%
D or F grade
26
Health violations
22
PFAS detected
Grade Distribution
How Norfolk cities scored
A
9
35%
Excellent
B
14
54%
Good
C
0
0%
Fair
D
1
4%
Poor
F
2
8%
Failing
Comparison
County vs Massachusetts average
▼ 1.7 pts below state average
City Map
Water quality across Norfolk
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Norfolk
Best cities
Worst cities
County context
4
Superfund sites in Norfolk
63.7%
of residents on fluoridated water (CDC, 2020)
15
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Norfolk
Industrial polluters nearby
Facilities reporting the most surface-water releases in Norfolk, 2023.
Total reported releases to surface water: 15 lbs
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
WOLLASTON ALLOYS BRAINTREE, MA02184 | Nickel | 14 |
CITGO PETROLEUM CORP BRAINTREE, MA02184 | Benzene | 1 |
OLDCASTLE - ANCHOR HOLBROOK, MA02343 | Lead compounds | 0 |
DAUPHINAIS CONCRETE INC. BELLINGHAM, MA02019 | — | — |
DYNASOL INC CANTON, MA02021 | — | — |
+ 5 more facilities
Source: EPA Toxic Release Inventory (TRI) 2023
Superfund sites
Superfund sites in Norfolk
Superfund sites nearby
Federally tracked hazardous-waste sites within Norfolk on the EPA National Priorities List.
- BAIRD MCGUIRE
- BJAT LLC
- BLACKBURN UNION PRIVILEGES
- SOUTH WEYMOUTH NAVAL AIR STATION
Source: EPA Superfund National Priorities List
Full Rankings
All 26 cities in Norfolk
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Avon | A | 90.7 | 5K | 81 | Health PFAS Unresolved | |
| 2 | Weymouth | A | 90.6 | 59K | 31 | Health Unresolved | |
| 3 | Walpole | A- | 87 | 24K | 42 | Health Unresolved | |
| 4 | Brookline | A- | 86.6 | 63K | 8 | Health Unresolved | |
| 5 | Norwood | A- | 86.6 | 30K | 10 | Health Unresolved | |
| 6 | Canton | A- | 86.6 | 22K | 21 | Health PFAS Unresolved | |
| 7 | Needham | A- | 86.3 | 33K | 49 | Health PFAS Unresolved | |
| 8 | Quincy | A- | 85.2 | 106K | 7 | Health Unresolved | |
| 9 | Foxborough | A- | 85 | 19K | 70 | Health PFAS Unresolved | |
| 10 | Dedham | B+ | 84.5 | 42K | 4 | Health PFAS Unresolved | |
| 11 | Millis | B+ | 84.3 | 9K | 67 | Health PFAS Unresolved | |
| 12 | Franklin | B+ | 82.7 | 33K | 21 | Health PFAS Unresolved | |
| 13 | Randolph | B+ | 82.3 | 34K | 21 | Health PFAS Unresolved | |
| 14 | Holbrook | B+ | 82.1 | 11K | 19 | Health PFAS Unresolved | |
| 15 | Medfield | B+ | 80.9 | 13K | 86 | Health PFAS Unresolved | |
| 16 | Milton | B+ | 80.8 | 29K | 8 | Health Unresolved | |
| 17 | Braintree | B | 79.1 | 39K | 79 | Health PFAS Unresolved | |
| 18 | Stoughton | B | 77.5 | 29K | 23 | Health PFAS Unresolved | |
| 19 | Cohasset | B | 76.9 | 8K | 48 | Health PFAS Unresolved | |
| 20 | Wellesley | B | 75.8 | 33K | 29 | Health PFAS Unresolved | |
| 21 | Plainville | B | 75.8 | 9K | 29 | Health PFAS Unresolved | |
| 22 | Bellingham | B- | 74 | 16K | 38 | Health PFAS Unresolved | |
| 23 | Medway | B- | 72 | 13K | 240 | Health PFAS Unresolved | |
| 24 | Sharon | D+ | 54.3 | 17K | 37 | Health PFAS Unresolved | |
| 25 | Norfolk | F | 40.7 | 8K | 181 | Health PFAS Unresolved | |
| 26 | Wrentham | F | 39.5 | 13K | 187 | Health PFAS Unresolved |