Delaware Water Quality Report
7 cities ranked · Average grade: D+ · Oklahoma
Avg Score
52.2
Cities Ranked
7
Health Violations
7
PFAS Detected
0
52.2
County avg score
7
Cities ranked
0%
A or B grade
71%
D or F grade
7
Health violations
0
PFAS detected
Grade Distribution
How Delaware cities scored
A
0
0%
Excellent
B
0
0%
Good
C
2
29%
Fair
D
5
71%
Poor
F
0
0%
Failing
Comparison
County vs Oklahoma average
▼ 9.1 pts below state average
City Map
Water quality across Delaware
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Delaware
Best cities
Worst cities
County context
14.3%
of residents on fluoridated water (CDC, 2020)
0
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Delaware
Industrial polluters nearby
Facilities reporting the most surface-water releases in Delaware, 2023.
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
PRIDE PLATING INC GROVE, OK74344 | — | — |
Source: EPA Toxic Release Inventory (TRI) 2023
Full Rankings
All 7 cities in Delaware
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Twin Oaks | C+ | 65.4 | 750 | 28 | Health Unresolved | |
| 2 | Bernice | C | 63.4 | 504 | 122 | Health Unresolved | |
| 3 | Colcord | D | 49.5 | 2K | 112 | Health Unresolved | |
| 4 | Kansas | D | 49 | 2K | 237 | Health Unresolved | |
| 5 | Grove | D | 47.8 | 8K | 772 | Health Unresolved | |
| 6 | Ochelata | D | 45 | 8K | 242 | Health Unresolved | |
| 7 | Jay | D | 45 | 4K | 247 | Health Unresolved |