Owyhee Water Quality Report
2 cities ranked · Average grade: C+ · Idaho
Avg Score
65.6
Cities Ranked
2
Health Violations
2
PFAS Detected
0
65.6
County avg score
2
Cities ranked
50%
A or B grade
50%
D or F grade
2
Health violations
0
PFAS detected
Grade Distribution
How Owyhee cities scored
A
0
0%
Excellent
B
1
50%
Good
C
0
0%
Fair
D
1
50%
Poor
F
0
0%
Failing
Comparison
County vs Idaho average
▼ 2.6 pts below state average
City Map
Water quality across Owyhee
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Owyhee
Best cities
Worst cities
County context
94.0%
of residents on fluoridated water (CDC, 2020)
0
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Owyhee
Industrial polluters nearby
Facilities reporting the most surface-water releases in Owyhee, 2023.
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
US ECOLOGY IDAHO INC. GRAND VIEW, ID83624 | — | — |
HOMEDALE BEAM & DECK PLANT HOMEDALE, ID83628 | — | — |
AMVAC CHEMICAL MARSING, ID83639 | — | — |
Source: EPA Toxic Release Inventory (TRI) 2023
Full Rankings