Coos Water Quality Report
6 cities ranked · Average grade: C- · Oregon
Avg Score
59.7
Cities Ranked
6
Health Violations
6
PFAS Detected
0
59.7
County avg score
6
Cities ranked
33%
A or B grade
67%
D or F grade
6
Health violations
0
PFAS detected
Grade Distribution
How Coos cities scored
A
1
17%
Excellent
B
1
17%
Good
C
0
0%
Fair
D
2
33%
Poor
F
2
33%
Failing
Comparison
County vs Oregon average
▼ 2.6 pts below state average
City Map
Water quality across Coos
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Coos
Worst cities
County context
81.4%
of residents on fluoridated water (CDC, 2020)
0
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Coos
Industrial polluters nearby
Facilities reporting the most surface-water releases in Coos, 2023.
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
COOS ASPHALT COOS BAY, OR97420 | — | — |
MILLINGTON CONCRETE COOS BAY, OR97420 | — | — |
ROSEBURG FOREST PRODUCTS CO. - COQUILLE PLYWOOD COQUILLE, OR97423 | — | — |
CONRAD WOOD PRESERVING CO NORTH BEND, OR97459 | — | — |
ALLWEATHER WOOD LLC NORTH BEND, OR97459 | — | — |
Source: EPA Toxic Release Inventory (TRI) 2023
Full Rankings