Cochise Water Quality Report
13 cities ranked · Average grade: D+ · Arizona
Avg Score
50.8
Cities Ranked
13
Health Violations
13
PFAS Detected
6
50.8
County avg score
13
Cities ranked
8%
A or B grade
85%
D or F grade
13
Health violations
6
PFAS detected
Grade Distribution
How Cochise cities scored
A
0
0%
Excellent
B
1
8%
Good
C
1
8%
Fair
D
9
69%
Poor
F
2
15%
Failing
Comparison
County vs Arizona average
▼ 16.7 pts below state average
City Map
Water quality across Cochise
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Cochise
Best cities
Worst cities
County context
1
Superfund site in Cochise
0
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Cochise
Industrial polluters nearby
Facilities reporting the most surface-water releases in Cochise, 2023.
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
APACHE NITROGEN PRODUCTS INC SAINT DAVID, AZ85630 | — | — |
ARIZONA ELECTRIC POWER COOPERATIVE INC COCHISE, AZ85606 | — | — |
U.S. CBP BRIAN A. TERRY (NACO) BORDER PATROL STN #AZ0040 BISBEE, AZ85603 | — | — |
U.S.DOD US ARMY FORT HUACHUCA - RANGES FORT HUACHUCA, AZ85613 | — | — |
Source: EPA Toxic Release Inventory (TRI) 2023
Superfund sites
Superfund sites in Cochise
Superfund sites nearby
Federally tracked hazardous-waste sites within Cochise on the EPA National Priorities List.
- APACHE POWDER CO
Source: EPA Superfund National Priorities List
Full Rankings
All 13 cities in Cochise
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Sunsites | B+ | 83.3 | 1K | 34 | Health Unresolved | |
| 2 | Naco | C- | 59.8 | 733 | 112 | Health Unresolved | |
| 3 | St David | D+ | 50 | 1K | 313 | Health Unresolved | |
| 4 | Pomerene | D+ | 50 | 1K | 185 | Health Unresolved | |
| 5 | Tombstone | D | 49 | 2K | 703 | Health Unresolved | |
| 6 | Willcox | D | 47.2 | 4K | 235 | Health Unresolved | |
| 7 | Sierra Vista | D | 47 | 51K | 4776 | Health Unresolved | |
| 8 | Huachuca City | D | 47 | 3K | 407 | Health Unresolved | |
| 9 | Benson | D | 46.8 | 7K | 517 | Health Unresolved | |
| 10 | Elfrida | D | 46 | 800 | 260 | Health Unresolved | |
| 11 | Douglas | D | 45.9 | 17K | 1376 | Health Unresolved | |
| 12 | Bisbee | F | 45 | 12K | 382 | Health PFAS Unresolved | |
| 13 | Fort Huachuca | F | 44 | 16K | 836 | Health PFAS Unresolved |