56.8
County avg score
3
Cities ranked
0%
A or B grade
33%
D or F grade
3
Health violations
3
PFAS detected
Grade Distribution
How Santa Cruz cities scored
A
0
0%
Excellent
B
0
0%
Good
C
2
67%
Fair
D
0
0%
Poor
F
1
33%
Failing
Comparison
County vs Arizona average
▼ 11.6 pts below state average
City Map
Water quality across Santa Cruz
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Santa Cruz
Best cities
Worst cities
County context
752
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Santa Cruz
Industrial polluters nearby
Facilities reporting the most surface-water releases in Santa Cruz, 2023.
Total reported releases to surface water: 752 lbs
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
HERMOSA PATAGONIA, AZ85624 | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 752 |
US CBP NOGALES BORDER PATROL STATION & RANGE #AZ0047 NOGALES, AZ85621 | — | — |
CALPORTLAND CO RIO RICO PLANT RIO RICO, AZ85648 | — | — |
Source: EPA Toxic Release Inventory (TRI) 2023
Full Rankings