82.9
County avg score
17
Cities ranked
94%
A or B grade
0%
D or F grade
16
Health violations
0
PFAS detected
Grade Distribution
How Penobscot cities scored
A
6
35%
Excellent
B
10
59%
Good
C
1
6%
Fair
D
0
0%
Poor
F
0
0%
Failing
Comparison
County vs Maine average
▲ 1.5 pts above state average
City Map
Water quality across Penobscot
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Penobscot
Worst cities
County context
2
Superfund sites in Penobscot
88.4%
of residents on fluoridated water (CDC, 2020)
1,222
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Penobscot
Industrial polluters nearby
Facilities reporting the most surface-water releases in Penobscot, 2023.
Total reported releases to surface water: 1,222 lbs
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
ND PAPER INC. OLD TOWN, ME04468 | Catechol | 1,222 |
GE VERNOVA BANGOR BANGOR, ME04401 | — | — |
GE VERNOVA BANGOR BANGOR, ME04401 | — | — |
ELDUR CORP BANGOR, ME04401 | — | — |
U.S. ARMY MAINE NATIONAL GUARD BANGOR TRAINING SITE RANGE BANGOR, ME04401 | — | — |
Source: EPA Toxic Release Inventory (TRI) 2023
Superfund sites
Superfund sites in Penobscot
Superfund sites nearby
Federally tracked hazardous-waste sites within Penobscot on the EPA National Priorities List.
- EASTLAND WOOLEN MILL
- WEST SITE HOWS CORNERS
Source: EPA Superfund National Priorities List
Full Rankings
All 17 cities in Penobscot
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Millinocket | A+ | 97.6 | 5K | 8 | Health | |
| 2 | East Millinocket | A | 94 | 2K | 7 | Health Unresolved | |
| 3 | Howland | A | 90.7 | 1K | 15 | Unresolved | |
| 4 | Lincoln | A | 90.4 | 3K | 9 | Health Unresolved | |
| 5 | Old Town | A- | 89.6 | 8K | 6 | Health | |
| 6 | Brewer | A- | 86.2 | 9K | 26 | Health Unresolved | |
| 7 | Newport | B+ | 83 | 2K | 63 | Health Unresolved | |
| 8 | Clifton | B+ | 82.8 | 27K | 11 | Health Unresolved | |
| 9 | Eddington | B+ | 82.8 | 27K | 11 | Health Unresolved | |
| 10 | Veazie | B+ | 81.7 | 27K | 4 | Health Unresolved | |
| 11 | Dexter | B+ | 81 | 2K | 10 | Health Unresolved | |
| 12 | Hampden | B+ | 80.5 | 5K | 11 | Health Unresolved | |
| 13 | Orrington | B | 78.3 | 27K | 35 | Health Unresolved | |
| 14 | Bangor | B | 76.5 | 27K | 83 | Health Unresolved | |
| 15 | Charleston | B | 76.5 | 503 | 30 | Health Unresolved | |
| 16 | Orono | B- | 70.2 | 6K | 233 | Health Unresolved | |
| 17 | Hermon | C+ | 68.2 | 27K | 56 | Health Unresolved |