Yakima Water Quality Report
13 cities ranked · Average grade: B- · Washington
Avg Score
71
Cities Ranked
13
Health Violations
13
PFAS Detected
9
71
County avg score
13
Cities ranked
62%
A or B grade
38%
D or F grade
13
Health violations
9
PFAS detected
Grade Distribution
How Yakima cities scored
A
6
46%
Excellent
B
2
15%
Good
C
0
0%
Fair
D
2
15%
Poor
F
3
23%
Failing
Comparison
County vs Washington average
▲ 0.9 pts above state average
City Map
Water quality across Yakima
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Yakima
Best cities
Worst cities
County context
1
Superfund site in Yakima
0
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Yakima
Industrial polluters nearby
Facilities reporting the most surface-water releases in Yakima, 2023.
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
YAKIMA TRAINING CENTER- RANGE YAKIMA, WA98901 | — | — |
CARGILL FEED & NUTRITION GRANGER GRANGER, WA98932 | — | — |
YAKIMA BAIT CO/WORDEN'S LURE GRANGER, WA98932 | — | — |
ULTRA YIELD MICRONUTRIENTS MOXEE, WA98936 | — | — |
TREE TOP INC - SELAH SPRAYFIELD SELAH, WA98942 | — | — |
+ 5 more facilities
Source: EPA Toxic Release Inventory (TRI) 2023
Superfund sites
Superfund sites in Yakima
Superfund sites nearby
Federally tracked hazardous-waste sites within Yakima on the EPA National Priorities List.
- FMC CORP YAKIMA
Source: EPA Superfund National Priorities List
Full Rankings
All 13 cities in Yakima
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Union Gap | A | 93.8 | 6K | 24 | Health Unresolved | |
| 2 | Granger | A | 92 | 4K | 14 | Health Unresolved | |
| 3 | Naches | A | 90.9 | 4K | 103 | Health Unresolved | |
| 4 | Harrah | A | 90.8 | 1K | 21 | Health Unresolved | |
| 5 | Mabton | A- | 88 | 2K | 118 | Health Unresolved | |
| 6 | Sunnyside | A- | 85.1 | 17K | 49 | Health Unresolved | |
| 7 | Selah | B | 78.7 | 13K | 133 | Health Unresolved | |
| 8 | Moxee | B | 76.5 | 6K | 87 | Health | |
| 9 | Grandview | D+ | 52.8 | 11K | 252 | Health Unresolved | |
| 10 | Zillah | D+ | 50 | 4K | 240 | Health Unresolved | |
| 11 | Wapato | F | 42.8 | 8K | 1480 | Health Unresolved | |
| 12 | Toppenish | F | 41.2 | 10K | 1044 | Health Unresolved | |
| 13 | Yakima | F | 40.4 | 174K | 4018 | Health Unresolved |