TONTO HILLS DWID
Arizona - Community Water System - PWSID: AZ0407076
System Information
| PWSID | AZ0407076 |
| System Name | TONTO HILLS DWID |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Oct 5, 1979 |
| Last Reported | Mar 12, 2026 |
Location & Contact
| State | Arizona |
| City | CAVE CREEK |
| ZIP Code | 85331 |
| Address | ATTN Jeff Frazey |
| Organization | TONTO HILLS DWID |
| Phone | 480-595-0128 |
Population & Service
| Population Served | 350 |
| Service Connections | 150 |
Drinking Water Violations (243)
This water system has 243 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Aug 14, 2025 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Jul 1, 2025 | - | RPT | No | No | - | - | - | Resolved | Aug 29, 2025 | - | |
| Jul 1, 2025 | - | RPT | No | No | - | - | - | Resolved | Aug 29, 2025 | - | |
| Jun 1, 2025 | Jun 30, 2025 | MR | No | Yes | - | - | - | Archived | Jun 30, 2025 | - | |
| Jun 1, 2025 | Jun 30, 2025 | MR | No | Yes | - | - | - | Archived | Jun 30, 2025 | - | |
| Oct 1, 2024 | Oct 31, 2024 | MR | No | Yes | - | - | - | Resolved | Oct 31, 2024 | - | |
| Oct 1, 2024 | Oct 31, 2024 | MR | No | Yes | - | - | - | Resolved | Oct 31, 2024 | - | |
| Sep 1, 2024 | Sep 30, 2024 | MR | No | Yes | - | - | - | Resolved | Sep 30, 2024 | - | |
| Sep 1, 2024 | Sep 30, 2024 | MR | No | Yes | - | - | - | Resolved | Sep 30, 2024 | - | |
| Jul 1, 2024 | Jul 31, 2024 | MR | No | Yes | - | - | - | Resolved | Jul 31, 2024 | - | |
| Jul 1, 2024 | - | MR | No | No | - | TT | - | Resolved | Jun 20, 2025 | - | |
| Jul 1, 2024 | Jul 31, 2024 | MR | No | Yes | - | - | - | Resolved | Jul 31, 2024 | - | |
| Jul 1, 2024 | - | MR | No | No | - | TT | - | Resolved | Jun 20, 2025 | - | |
| Jul 1, 2024 | - | MR | No | No | - | TT | - | Resolved | Jun 20, 2025 | - | |
| Jul 1, 2024 | - | MR | No | No | - | TT | - | Resolved | Jun 20, 2025 | - | |
| Oct 1, 2023 | Oct 31, 2023 | MR | No | Yes | - | - | - | Resolved | Oct 31, 2023 | - | |
| Oct 1, 2023 | Oct 31, 2023 | MR | No | Yes | - | - | - | Resolved | Oct 31, 2023 | - | |
| Oct 1, 2023 | Oct 31, 2023 | MR | No | Yes | - | - | - | Resolved | Oct 31, 2023 | - | |
| Sep 1, 2023 | Sep 30, 2023 | MR | No | Yes | - | - | - | Resolved | Sep 30, 2023 | - | |
| Sep 1, 2023 | Sep 30, 2023 | MR | No | Yes | - | - | - | Resolved | Sep 30, 2023 | - | |
| Sep 1, 2023 | Sep 30, 2023 | MR | No | Yes | - | - | - | Resolved | Sep 30, 2023 | - | |
| Aug 1, 2023 | Aug 31, 2023 | MR | No | Yes | - | - | - | Resolved | Aug 31, 2023 | - | |
| Aug 1, 2023 | Aug 31, 2023 | MR | No | Yes | - | - | - | Resolved | Aug 31, 2023 | - | |
| Aug 1, 2023 | Aug 31, 2023 | MR | No | Yes | - | - | - | Resolved | Aug 31, 2023 | - | |
| Aug 1, 2023 | Aug 31, 2023 | MR | No | Yes | - | - | - | Resolved | Aug 31, 2023 | - | |
| Jul 1, 2023 | - | MR | No | No | - | TT | - | Resolved | Nov 2, 2023 | - | |
| Jul 1, 2023 | Jul 31, 2023 | MR | No | Yes | - | - | - | Resolved | Jul 31, 2023 | - | |
| Jul 1, 2023 | - | MR | No | No | - | TT | - | Resolved | Nov 2, 2023 | - | |
| Jul 1, 2023 | Jul 31, 2023 | MR | No | Yes | - | - | - | Resolved | Jul 31, 2023 | - | |
| Jul 1, 2023 | Jul 31, 2023 | MR | No | Yes | - | - | - | Resolved | Jul 31, 2023 | - | |
| Jul 1, 2023 | Jul 31, 2023 | MR | No | Yes | - | - | - | Resolved | Jul 31, 2023 | - | |
| Apr 1, 2023 | Jun 30, 2023 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2023 | - | |
| Apr 1, 2023 | Jun 30, 2023 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2023 | - | |
| Jul 1, 2022 | Sep 30, 2022 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2022 | - | |
| Jul 1, 2022 | Jul 31, 2022 | MR | No | Yes | - | - | - | Resolved | Jul 31, 2022 | - | |
| Jul 1, 2022 | Sep 30, 2022 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2022 | - | |
| Jul 1, 2022 | Jul 31, 2022 | MR | No | Yes | - | - | - | Resolved | Jul 31, 2022 | - | |
| Jul 1, 2021 | Sep 30, 2021 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2021 | - | |
| Jul 1, 2021 | Sep 30, 2021 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2021 | - | |
| Apr 1, 2021 | Jun 30, 2021 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2021 | - | |
| Apr 1, 2021 | Jun 30, 2021 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2021 | - | |
| Jan 1, 2020 | - | MR | No | No | - | TT | - | Resolved | Jan 16, 2020 | - | |
| Jan 1, 2020 | - | MR | No | No | - | TT | - | Resolved | Jan 16, 2020 | - | |
| Apr 1, 2017 | Jun 30, 2017 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Jun 30, 2017 | - | |
| Apr 1, 2017 | Jun 30, 2017 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Jun 30, 2017 | - | |
| Apr 1, 2017 | Jun 30, 2017 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Jun 30, 2017 | - | |
| Apr 1, 2017 | Jun 30, 2017 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Jun 30, 2017 | - | |
| Apr 1, 2017 | Jun 30, 2017 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Jun 30, 2017 | - | |
| Apr 1, 2017 | Jun 30, 2017 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Jun 30, 2017 | - | |
| Apr 1, 2017 | Jun 30, 2017 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Jun 30, 2017 | - |
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.