GW SANTA CRUZ WATER CO
Arizona — Community Water System — PWSID: AZ0411131
System Information
| PWSID | AZ0411131 |
| System Name | GW SANTA CRUZ WATER CO |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Nov 26, 2002 |
| Last Reported | Mar 12, 2026 |
Location & Contact
| State | Arizona |
| City | MARICOPA |
| ZIP Code | 85138 |
| Address | — |
| Organization | ARMIJO, SUSAN |
| Phone | 480-328-9281 |
Population & Service
| Population Served | 84,000 |
| Service Connections | 17,123 |
Drinking Water Violations (260)
This water system has 260 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Nov 1, 2025 | Nov 30, 2025 | MON | No | No | — | — | — | Archived | Nov 30, 2025 | — | |
| Nov 1, 2025 | Nov 30, 2025 | MR | No | Yes | — | 4.0 mg/L | — | Archived | Nov 30, 2025 | — | |
| Nov 1, 2025 | Nov 30, 2025 | MON | No | No | — | — | — | Archived | Nov 30, 2025 | — | |
| Aug 1, 2025 | Aug 31, 2025 | MCL | Yes | No | — | — | — | Resolved | Aug 31, 2025 | — | |
| Aug 1, 2025 | Aug 31, 2025 | MCL | Yes | No | — | — | — | Resolved | Aug 31, 2025 | — | |
| Aug 1, 2025 | Aug 31, 2025 | MCL | Yes | No | — | — | — | Resolved | Aug 31, 2025 | — | |
| Aug 1, 2025 | Aug 31, 2025 | MCL | Yes | No | — | — | — | Resolved | Aug 31, 2025 | — | |
| Jul 19, 2025 | — | Other | No | No | — | — | — | Resolved | Sep 22, 2025 | — | |
| Jul 19, 2025 | — | Other | No | No | — | — | — | Resolved | Sep 22, 2025 | — | |
| Jul 19, 2025 | — | Other | No | No | — | — | — | Resolved | Sep 22, 2025 | — | |
| Jul 19, 2025 | — | Other | No | No | — | — | — | Resolved | Sep 22, 2025 | — | |
| Jul 19, 2025 | — | Other | No | No | — | — | — | Resolved | Sep 22, 2025 | — | |
| Jul 19, 2025 | — | Other | No | No | — | — | — | Resolved | Sep 22, 2025 | — | |
| Jul 19, 2025 | — | Other | No | No | — | — | — | Resolved | Sep 22, 2025 | — | |
| Jul 19, 2025 | — | Other | No | No | — | — | — | Resolved | Sep 22, 2025 | — | |
| Apr 1, 2024 | Jun 30, 2024 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jun 30, 2024 | — | |
| Apr 1, 2024 | Jun 30, 2024 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jun 30, 2024 | — | |
| Apr 1, 2024 | Jun 30, 2024 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Jun 30, 2024 | — | |
| Apr 1, 2024 | Jun 30, 2024 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Jun 30, 2024 | — | |
| Oct 1, 2023 | Dec 31, 2023 | MR | No | Yes | — | 30 ug/L | — | Resolved | Dec 31, 2023 | — | |
| Oct 1, 2023 | Dec 31, 2023 | MR | No | Yes | — | 15 pCi/L | — | Resolved | Dec 31, 2023 | — | |
| Oct 1, 2023 | Dec 31, 2023 | MR | No | Yes | — | 30 ug/L | — | Resolved | Dec 31, 2023 | — | |
| Oct 1, 2023 | Dec 31, 2023 | MR | No | Yes | — | 30 ug/L | — | Resolved | Dec 31, 2023 | — | |
| Oct 1, 2023 | Dec 31, 2023 | MR | No | Yes | — | 15 pCi/L | — | Resolved | Dec 31, 2023 | — | |
| Oct 1, 2023 | Dec 31, 2023 | MR | No | Yes | — | 15 pCi/L | — | Resolved | Dec 31, 2023 | — | |
| Oct 1, 2023 | Dec 31, 2023 | MR | No | Yes | — | 15 pCi/L | — | Resolved | Dec 31, 2023 | — | |
| Oct 1, 2023 | Dec 31, 2023 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2023 | — | |
| Oct 1, 2023 | Dec 31, 2023 | MR | No | Yes | — | 30 ug/L | — | Resolved | Dec 31, 2023 | — | |
| Oct 1, 2023 | Dec 31, 2023 | MR | No | Yes | — | 5 pCi/L | — | Resolved | Dec 31, 2023 | — | |
| Oct 1, 2023 | Dec 31, 2023 | MR | No | Yes | — | 5 pCi/L | — | Resolved | Dec 31, 2023 | — | |
| Oct 1, 2023 | Dec 31, 2023 | MR | No | Yes | — | 5 pCi/L | — | Resolved | Dec 31, 2023 | — | |
| Oct 1, 2023 | Dec 31, 2023 | MR | No | Yes | — | 5 pCi/L | — | Resolved | Dec 31, 2023 | — | |
| Oct 1, 2023 | Dec 31, 2023 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2023 | — | |
| Oct 1, 2023 | Dec 31, 2023 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2023 | — | |
| Oct 1, 2023 | Dec 31, 2023 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2023 | — | |
| Oct 1, 2023 | Dec 31, 2023 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2023 | — | |
| Oct 1, 2023 | Dec 31, 2023 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2023 | — | |
| Oct 1, 2023 | Dec 31, 2023 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2023 | — | |
| Oct 1, 2023 | Dec 31, 2023 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2023 | — | |
| Sep 1, 2023 | Sep 30, 2023 | MON | No | Yes | — | — | — | Resolved | Sep 30, 2023 | — | |
| Sep 1, 2023 | Sep 30, 2023 | MON | No | Yes | — | — | — | Resolved | Sep 30, 2023 | — | |
| Sep 1, 2023 | Sep 30, 2023 | MON | No | Yes | — | — | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | Yes | — | 5 pCi/L | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | Yes | — | 5 pCi/L | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | Yes | — | 15 pCi/L | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | Yes | — | 15 pCi/L | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | Yes | — | — | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | Yes | — | — | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | Yes | — | — | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | Yes | — | — | — | Resolved | Sep 30, 2023 | — |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.