Malheur Water Quality Report
3 cities ranked · Average grade: C+ · Oregon
Avg Score
68.3
Cities Ranked
3
Health Violations
3
PFAS Detected
1
68.3
County avg score
3
Cities ranked
67%
A or B grade
0%
D or F grade
3
Health violations
1
PFAS detected
Grade Distribution
How Malheur cities scored
A
0
0%
Excellent
B
2
67%
Good
C
1
33%
Fair
D
0
0%
Poor
F
0
0%
Failing
Comparison
County vs Oregon average
▲ 6.0 pts above state average
City Map
Water quality across Malheur
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Malheur
Best cities
Worst cities
County context
90.0%
of residents on fluoridated water (CDC, 2020)
319
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Malheur
Industrial polluters nearby
Facilities reporting the most surface-water releases in Malheur, 2023.
Total reported releases to surface water: 319 lbs
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
J.R. SIMPLOT CO ONTARIO, OR97914 | Ammonia | 319 |
Source: EPA Toxic Release Inventory (TRI) 2023
Full Rankings