Cumberland Water Quality Report
19 cities ranked · Average grade: B+ · Maine
Avg Score
80
Cities Ranked
19
Health Violations
12
PFAS Detected
4
80
County avg score
19
Cities ranked
79%
A or B grade
5%
D or F grade
12
Health violations
4
PFAS detected
Grade Distribution
How Cumberland cities scored
A
8
42%
Excellent
B
7
37%
Good
C
3
16%
Fair
D
1
5%
Poor
F
0
0%
Failing
Comparison
County vs Maine average
▼ 0.4 pts below state average
City Map
Water quality across Cumberland
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Cumberland
County context
2
Superfund sites in Cumberland
91.2%
of residents on fluoridated water (CDC, 2020)
1,175
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Cumberland
Industrial polluters nearby
Facilities reporting the most surface-water releases in Cumberland, 2023.
Total reported releases to surface water: 1,175 lbs
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
SAPPI N.A. - WESTBROOK OPERATIONS WESTBROOK, ME04092 | Certain glycol ethers | 1,146 |
SOUTH PORTLAND TERMINAL (SPTPM) SOUTH PORTLAND, ME04106 | Xylene (mixed isomers) | 15 |
BATH IRON WORKS-STRUCTURAL FABRICATION FACILITY (FORMERLY HA BRUNSWICK, ME04011 | Manganese | 5 |
NICHOLS PORTLAND PORTLAND, ME04102 | Nickel | 4 |
BATH IRON WORKS OUTFIT FABRICATION FACILITY (FORMERLY EBMF) BRUNSWICK, ME04011 | Manganese | 2 |
+ 5 more facilities
Source: EPA Toxic Release Inventory (TRI) 2023
Superfund sites
Superfund sites in Cumberland
Superfund sites nearby
Federally tracked hazardous-waste sites within Cumberland on the EPA National Priorities List.
- BRUNSWICK NAVAL AIR STATION
- KEDDY MILL
Source: EPA Superfund National Priorities List
Full Rankings
All 19 cities in Cumberland
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Scarborough | A | 93.8 | 135K | 7 | Unresolved | |
| 2 | Scarborough | A | 93.8 | 135K | 7 | Unresolved | |
| 3 | Scarborough | A | 93.8 | 135K | 7 | Unresolved | |
| 4 | Scarborough | A | 93.8 | 135K | 7 | Unresolved | |
| 5 | Scarborough | A | 93.8 | 135K | 7 | Unresolved | |
| 6 | Scarborough | A | 93.8 | 135K | 7 | Unresolved | |
| 7 | Topsham | A- | 88.1 | 29K | 59 | Health Unresolved | |
| 8 | Freeport | A- | 85.4 | 4K | 57 | Health Unresolved | |
| 9 | Harrison | B+ | 84.4 | 863 | 11 | Health Unresolved | |
| 10 | North Yarmouth | B+ | 82.7 | 8K | 11 | Health PFAS Unresolved | |
| 11 | North Yarmouth | B+ | 82.7 | 8K | 11 | Health PFAS Unresolved | |
| 12 | Scarborough | B | 79.2 | 136K | 38 | Health Unresolved | |
| 13 | Scarborough | B | 75.2 | 136K | 71 | Unresolved | |
| 14 | Scarborough | B- | 74.1 | 135K | 77 | Health Unresolved | |
| 15 | Gray | B- | 70.4 | 2K | 10 | Health Unresolved | |
| 16 | Topsham | C+ | 67.5 | 19K | 180 | Health Unresolved | |
| 17 | Scarborough | C | 63.8 | 135K | 162 | Health Unresolved | |
| 18 | Scarborough | C- | 55.9 | 135K | 39 | Health Unresolved | |
| 19 | Bridgton | D | 48.1 | 5K | 124 | Health Unresolved |