Dewey Water Quality Report
2 cities ranked · Average grade: B+ · Oklahoma
Avg Score
84.5
Cities Ranked
2
Health Violations
2
PFAS Detected
0
84.5
County avg score
2
Cities ranked
100%
A or B grade
0%
D or F grade
2
Health violations
0
PFAS detected
Grade Distribution
How Dewey cities scored
A
1
50%
Excellent
B
1
50%
Good
C
0
0%
Fair
D
0
0%
Poor
F
0
0%
Failing
Comparison
County vs Oklahoma average
▲ 23.2 pts above state average
City Map
Water quality across Dewey
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Dewey
Best cities
Worst cities
County context
32.9%
of residents on fluoridated water (CDC, 2020)
0
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Dewey
Industrial polluters nearby
Facilities reporting the most surface-water releases in Dewey, 2023.
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
IOCHEM CORP VICI, OK73859 | — | — |
Source: EPA Toxic Release Inventory (TRI) 2023
Full Rankings