Ketchikan Gateway Borough Water Quality Report
1 cities ranked · Average grade: F · Alaska
Avg Score
44
Cities Ranked
1
Health Violations
1
PFAS Detected
0
44
County avg score
1
Cities ranked
0%
A or B grade
100%
D or F grade
1
Health violations
0
PFAS detected
Grade Distribution
How Ketchikan Gateway Borough cities scored
A
0
0%
Excellent
B
0
0%
Good
C
0
0%
Fair
D
0
0%
Poor
F
1
100%
Failing
Comparison
County vs Alaska average
▼ 11.4 pts below state average
City Map
Water quality across Ketchikan Gateway Borough
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Ketchikan Gateway Borough
Best cities
Worst cities
County context
0
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Ketchikan Gateway Borough
Industrial polluters nearby
Facilities reporting the most surface-water releases in Ketchikan Gateway Borough, 2023.
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
U.S. COAST GUARD BASE KETCHIKAN KETCHIKAN, AK99901 | — | — |
Source: EPA Toxic Release Inventory (TRI) 2023
Full Rankings
All 1 cities in Ketchikan Gateway Borough
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Ketchikan | F | 44 | 10K | 1310 | Health Unresolved |