ORGAN PIPE NM HEADQUARTERS
Arizona - Community Water System - PWSID: AZ0410701
System Information
| PWSID | AZ0410701 |
| System Name | ORGAN PIPE NM HEADQUARTERS |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Federal |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Oct 5, 1979 |
| Last Reported | Mar 12, 2026 |
Location & Contact
| State | Arizona |
| City | AJO |
| ZIP Code | 85321-9626 |
| Address | - |
| Organization | ORGAN PIPE CACTUS NATL MONUMENT |
| Phone | 520-387-6849 |
Population & Service
| Population Served | 755 |
| Service Connections | 40 |
Drinking Water Violations (91)
This water system has 91 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 2025 | Oct 31, 2025 | MR | No | Yes | - | 4.0 mg/L | - | Archived | Oct 31, 2025 | - | |
| Jan 1, 2025 | - | MR | No | No | - | TT | - | Resolved | Apr 25, 2025 | - | |
| Jan 1, 2025 | - | MR | No | No | - | TT | - | Resolved | Apr 25, 2025 | - | |
| Jun 1, 2024 | - | RPT | No | No | - | - | - | Resolved | Jul 22, 2024 | - | |
| Jun 1, 2024 | - | RPT | No | No | - | - | - | Resolved | Jul 22, 2024 | - | |
| Apr 1, 2024 | Apr 30, 2024 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Apr 30, 2024 | - | |
| Apr 1, 2024 | Apr 30, 2024 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Apr 30, 2024 | - | |
| Oct 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Oct 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Jan 1, 2023 | Mar 31, 2023 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Mar 31, 2023 | - | |
| Jan 1, 2023 | Mar 31, 2023 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Mar 31, 2023 | - | |
| Jan 1, 2023 | Mar 31, 2023 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Mar 31, 2023 | - | |
| Jan 1, 2023 | Mar 31, 2023 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Mar 31, 2023 | - | |
| Jan 1, 2023 | Mar 31, 2023 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Mar 31, 2023 | - | |
| Jan 1, 2023 | Mar 31, 2023 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Mar 31, 2023 | - | |
| Jan 1, 2023 | Mar 31, 2023 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Mar 31, 2023 | - | |
| Jan 1, 2023 | Mar 31, 2023 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2023 | - | |
| Jan 1, 2023 | Mar 31, 2023 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2023 | - | |
| Jan 1, 2023 | Mar 31, 2023 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2023 | - | |
| Jan 1, 2023 | Mar 31, 2023 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Mar 31, 2023 | - | |
| Apr 1, 2022 | Jun 30, 2022 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2022 | - | |
| Apr 1, 2022 | Jun 30, 2022 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2022 | - | |
| Nov 1, 2021 | Jan 31, 2022 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Jan 31, 2022 | - | |
| Nov 1, 2021 | Jan 31, 2022 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Jan 31, 2022 | - | |
| Nov 1, 2021 | Jan 31, 2022 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Jan 31, 2022 | - | |
| Nov 1, 2021 | Jan 31, 2022 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Jan 31, 2022 | - | |
| Oct 1, 2021 | Oct 31, 2021 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Oct 31, 2021 | - | |
| Oct 1, 2021 | Oct 31, 2021 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Oct 31, 2021 | - | |
| Oct 1, 2021 | Oct 31, 2021 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Oct 31, 2021 | - | |
| Oct 1, 2021 | Oct 31, 2021 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Oct 31, 2021 | - | |
| Oct 1, 2021 | Oct 31, 2021 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Oct 31, 2021 | - | |
| Oct 1, 2021 | Oct 31, 2021 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Oct 31, 2021 | - | |
| Oct 1, 2021 | Oct 31, 2021 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Oct 31, 2021 | - | |
| Oct 1, 2021 | Oct 31, 2021 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Oct 31, 2021 | - | |
| Jan 1, 2021 | - | MR | No | No | - | TT | - | Resolved | Feb 16, 2021 | - | |
| Jan 1, 2021 | - | MR | No | No | - | TT | - | Resolved | Feb 16, 2021 | - | |
| Oct 1, 2020 | Dec 31, 2020 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2020 | - | |
| Oct 1, 2020 | Dec 31, 2020 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2020 | - | |
| Jan 2, 2020 | - | Other | No | No | - | - | - | Resolved | Feb 27, 2020 | - | |
| Jan 2, 2020 | - | Other | No | No | - | - | - | Resolved | Feb 27, 2020 | - | |
| Aug 1, 2018 | - | RPT | No | No | - | - | - | Resolved | Sep 17, 2018 | - | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2018 | - | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2018 | - | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2018 | - | |
| Jul 1, 2015 | Jul 31, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2015 | - | |
| Jul 1, 2015 | Jul 31, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2015 | - | |
| Apr 1, 2015 | Apr 30, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 2015 | - | |
| Apr 1, 2015 | Apr 30, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 2015 | - | |
| Mar 1, 2015 | Mar 31, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2015 | - | |
| Mar 1, 2015 | Mar 31, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2015 | - |
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.