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WaterVerge

Santa Cruz Water Quality Report

3 cities ranked · Average grade: C- · Arizona

Avg Score
56.8
Cities Ranked
3
Health Violations
3
PFAS Detected
3
Live Water Alerts for Arizona →
56.8
County avg score
3
Cities ranked
0%
A or B grade
33%
D or F grade
3
Health violations
3
PFAS detected

How Santa Cruz cities scored

67%
33%
A
0
0%
Excellent
B
0
0%
Good
C
2
67%
Fair
D
0
0%
Poor
F
1
33%
Failing

County vs Arizona average

C-
Santa Cruz
56.8/100
C+
Arizona avg
68.4/100
▼ 11.6 pts below state average

Water quality across Santa Cruz

Each dot is a city, colored by grade. Click any city to view its full report.

Arizona city water quality map
752
lbs/yr to surface water · top 10 TRI facilities

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

FacilityTop chemicalTo surface water (lbs/yr)
HERMOSA
Metal Mining · NA
PATAGONIA, AZ85624
Nitrate compounds (water dissociable; reportable only when in aqueous solution)752
US CBP NOGALES BORDER PATROL STATION & RANGE #AZ0047
Other · US DEPARTMENT OF HOMELAND SECURITY
NOGALES, AZ85621
CALPORTLAND CO RIO RICO PLANT
Nonmetallic Mineral Product · TAIHEIYO CEMENT USA INC
RIO RICO, AZ85648

Source: EPA Toxic Release Inventory (TRI) 2023

All 3 cities in Santa Cruz

# City Grade Score Score Population Violations Issues
1 Patagonia
C+
65.6
842 177 Health Unresolved
2 Rio Rico
C
62.1
18K 421 Health PFAS Unresolved
3 Nogales
F
42.8
23K 1938 Health Unresolved
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