Navajo Water Quality Report
12 cities ranked · Average grade: D+ · Arizona
Avg Score
52.6
Cities Ranked
12
Health Violations
11
PFAS Detected
4
52.6
County avg score
12
Cities ranked
8%
A or B grade
67%
D or F grade
11
Health violations
4
PFAS detected
Grade Distribution
How Navajo cities scored
A
0
0%
Excellent
B
1
8%
Good
C
3
25%
Fair
D
6
50%
Poor
F
2
17%
Failing
Comparison
County vs Arizona average
▼ 14.9 pts below state average
City Map
Water quality across Navajo
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Navajo
County context
0
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Navajo
Industrial polluters nearby
Facilities reporting the most surface-water releases in Navajo, 2023.
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
RHINEHART OIL CO. HOLBROOK BULK PLANT HOLBROOK, AZ86025 | — | — |
CHOLLA POWER PLANT JOSEPH CITY, AZ86032 | — | — |
Source: EPA Toxic Release Inventory (TRI) 2023
Full Rankings
All 12 cities in Navajo
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Bourden Ranch Estates | B- | 73.1 | 1K | 56 | Health Unresolved | |
| 2 | Joseph City | C+ | 69.7 | 2K | 195 | Unresolved | |
| 3 | Snowflake | C+ | 65.5 | 6K | 193 | Health Unresolved | |
| 4 | Linden | C- | 58.7 | 1K | 250 | Health Unresolved | |
| 5 | Lakeside | D+ | 50 | 2K | 863 | Health Unresolved | |
| 6 | Winslow | D | 47 | 10K | 490 | Health Unresolved | |
| 7 | Taylor | D | 47 | 4K | 307 | Health Unresolved | |
| 8 | White Mountain Lakes | D | 47 | 2K | 285 | Health Unresolved | |
| 9 | Pinetop | D | 45.8 | 14K | 1037 | Health Unresolved | |
| 10 | Show Low | D | 45.4 | 32K | 1380 | Health Unresolved | |
| 11 | Holbrook | F | 44.1 | 7K | 333 | Health Unresolved | |
| 12 | Heber | F | 38.2 | 17K | 418 | Health Unresolved |