GW SANTA CRUZ WATER CO — Water Quality Report 2026
Serving 84,000 people · Arizona
Contaminant Test Results
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
strontium | 2500.00 µg/L | — | Above Goal |
chlorate | 280.00 µg/L | — | Above Goal |
EPA Violation History
17
Violations (last 5yr)
1
Unresolved
1
Health-Related
Maximum Contaminant Level Violation
Disinfection byproduct treatment technique failure
Disinfection byproduct treatment technique failure
Disinfection byproduct treatment technique failure
Disinfection byproduct treatment technique failure
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
Exceeded the MCL for disinfection byproducts
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
Exceeded the MCL for disinfection byproducts
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
Exceeded the MCL for disinfection byproducts
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
Exceeded the MCL for disinfection byproducts
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
Exceeded the MCL for disinfection byproducts
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
Monitoring Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
Exceeded the MCL for disinfection byproducts
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
Exceeded the MCL for disinfection byproducts
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
Exceeded the MCL for disinfection byproducts
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
Exceeded the MCL for disinfection byproducts
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
Understanding violation severity
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly