Knox Water Quality Report
9 cities ranked · Average grade: B · Maine
Avg Score
79.5
Cities Ranked
9
Health Violations
9
PFAS Detected
0
79.5
County avg score
9
Cities ranked
78%
A or B grade
0%
D or F grade
9
Health violations
0
PFAS detected
Grade Distribution
How Knox cities scored
A
3
33%
Excellent
B
4
44%
Good
C
2
22%
Fair
D
0
0%
Poor
F
0
0%
Failing
Comparison
County vs Maine average
▼ 0.9 pts below state average
City Map
Water quality across Knox
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Knox
Best cities
Worst cities
County context
84.5%
of residents on fluoridated water (CDC, 2020)
0
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Knox
Industrial polluters nearby
Facilities reporting the most surface-water releases in Knox, 2023.
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
PIKE INDUSTRIES INC-WASHINGTON WASHINGTON, ME04574 | — | — |
INTERNATIONAL N&H USA INC. ROCKLAND, ME04841 | — | — |
FISHER ENGINEERING ROCKLAND, ME04841 | — | — |
NORTH END COMPOSITES ROCKLAND, ME04841 | — | — |
DRAGON PRODUCTS CO THOMASTON, ME04861 | — | — |
Source: EPA Toxic Release Inventory (TRI) 2023
Full Rankings
All 9 cities in Knox
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Camden | A- | 89.5 | 21K | 7 | Health Unresolved | |
| 2 | Camden | A- | 89.5 | 21K | 7 | Health Unresolved | |
| 3 | Camden | A- | 89.4 | 22K | 8 | Health Unresolved | |
| 4 | St George | B+ | 83.6 | 708 | 42 | Health Unresolved | |
| 5 | Camden | B | 79.7 | 21K | 42 | Health Unresolved | |
| 6 | North Haven | B | 77.1 | 740 | 171 | Health Unresolved | |
| 7 | Camden | B- | 73 | 21K | 15 | Health Unresolved | |
| 8 | Vinalhaven | C+ | 69.4 | 1K | 46 | Health Unresolved | |
| 9 | Camden | C | 64.2 | 21K | 46 | Health Unresolved |