GW SANTA CRUZ WATER CO
PWSID: AZ0411131 · Maricopa, AZ · Serves 84,000 people
According to EPA Safe Drinking Water Information System (SDWIS), GW SANTA CRUZ WATER CO (PWSID AZ0411131) in Maricopa, AZ is listed as a CWS water system covering about 84,000 people. The same extract lists 2 health-based violation records spanning 2025-2025. Those 2 health-based rows for GW SANTA CRUZ WATER CO cover contaminants such as Revised Total Coliform Rule; they remain historical EPA registry entries, not a current compliance or drinkability score.
GW SANTA CRUZ WATER CO has 2 health-based violation records in this historical extract. Monitoring and reporting records are not included.
PlainEnviro's health-based SDWIS extract covers monitoring and reporting violations only -- it does not include unresolved enforcement actions in progress or corrective steps a utility has taken since the extract date. 1 distinct EPA contaminant code appears in this system's record, including Revised Total Coliform Rule. Recorded violations span 2025–2025. Day-to-day primacy enforcement for this system runs through the Arizona drinking-water program, not EPA directly.
A historical health-based record does not necessarily describe current water quality or compliance. The most authoritative current source is the utility's annual Consumer Confidence Report. For enforcement history and corrective-action orders, consult EPA ECHO and the Arizona state drinking-water program's public portal.
System Details
- EPA ID (PWSID)
- AZ0411131
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Maricopa, AZ
- Population Served
- 84,000
- Health Violations
- Yes (2)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Revised Total Coliform Rule | 2 | 2 |
Violation History (2)
| Contaminant | Health | Date |
|---|---|---|
| Revised Total Coliform Rule | Yes | Aug 1, 2025 |
| Revised Total Coliform Rule | Yes | Aug 1, 2025 |
Frequently Asked Questions
What does EPA SDWIS list for GW SANTA CRUZ WATER CO?
How many people does GW SANTA CRUZ WATER CO serve?
What violations does GW SANTA CRUZ WATER CO have?
What contaminants have been found in GW SANTA CRUZ WATER CO water?
Compare beyond Arizona
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest GW SANTA CRUZ WATER CO on cumulative violation count (2) and EPA-reported population served (84,000). Violation-count peers include SAINT REGIS MOHAWK TRIBE, REDBY/RED LAKE, Kickapoo Traditional Tribe. Population peers include NAPLES WATER DEPT, YORBA LINDA WATER DISTRICT, WARNER ROBINS.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
Similar population served
Nearest cross-state systems by EPA SDWIS population_served (same 500+ gate).
Nearby Water Systems
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About This Data
GW SANTA CRUZ WATER CO (AZ0411131) is drawn from EPA SDWIS. Nearby county systems in this extract include QUEEN CREEK TOWN OF; EPCOR - SAN TAN; GRIC DPW Wild Horse Pass; FLORENCE WATER COMPANY. Health-based rows (2 MCL/TT) are historical registry state, not a current drinkability score.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.