Umatilla Water Quality Report
9 cities ranked · Average grade: C+ · Oregon
Avg Score
65.6
Cities Ranked
9
Health Violations
9
PFAS Detected
4
65.6
County avg score
9
Cities ranked
44%
A or B grade
44%
D or F grade
9
Health violations
4
PFAS detected
Grade Distribution
How Umatilla cities scored
A
4
44%
Excellent
B
0
0%
Good
C
1
11%
Fair
D
1
11%
Poor
F
3
33%
Failing
Comparison
County vs Oregon average
▲ 3.3 pts above state average
City Map
Water quality across Umatilla
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Umatilla
Best cities
County context
51.4%
of residents on fluoridated water (CDC, 2020)
0
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Umatilla
Industrial polluters nearby
Facilities reporting the most surface-water releases in Umatilla, 2023.
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
LIPPERT COMPONENTS INC. - PLANT #27 PENDLETON, OR97801 | — | — |
KEYSTONE RV PENDLETON, OR97801 | — | — |
KEYSTONE RV PENDLETON, OR97801 | — | — |
LAMB WESTON INC. HERMISTON, OR97838 | — | — |
CHS HERMISTON FEED HERMISTON, OR97838 | — | — |
+ 3 more facilities
Source: EPA Toxic Release Inventory (TRI) 2023
Full Rankings
All 9 cities in Umatilla
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Weston | A- | 89.3 | 714 | 16 | Health Unresolved | |
| 2 | Athena | A- | 88.6 | 1K | 38 | Health Unresolved | |
| 3 | Echo | A- | 87.9 | 632 | 17 | Health Unresolved | |
| 4 | Pilot Rock | A- | 86 | 1K | 59 | Health Unresolved | |
| 5 | Stanfield | C | 62.7 | 2K | 306 | Health Unresolved | |
| 6 | Umatilla | D | 48.8 | 8K | 292 | Health Unresolved | |
| 7 | Pendleton | F | 43.6 | 18K | 352 | Health Unresolved | |
| 8 | Milton-Freewater | F | 43.2 | 7K | 435 | Health PFAS Unresolved | |
| 9 | Hermiston | F | 40.6 | 21K | 1292 | Health PFAS Unresolved |