USAF DAVIS MONTHAN AFB
Arizona — Community Water System — PWSID: AZ0420549
System Information
| PWSID | AZ0420549 |
| System Name | USAF DAVIS MONTHAN AFB |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Federal |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | Yes |
| First Reported | Mar 24, 1980 |
| Last Reported | Nov 17, 2025 |
Location & Contact
| State | Arizona |
| City | DAVIS-MONTHAN AFB |
| ZIP Code | 85708 |
| Address | Bioenvironmental Engineering |
| Organization | NESKY, NANCY |
| Phone | — |
Population & Service
| Population Served | 18,640 |
| Service Connections | 1,509 |
Drinking Water Violations (996)
This water system has 996 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 1, 2025 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Unaddressed | — | Consumer Confidence Rule |
| Apr 1, 2025 | — | Revised Total Coliform Rule | RPT | No | No | — | — | — | Resolved | Jun 27, 2025 | Revised Total Coliform Rule |
| Apr 1, 2025 | — | Revised Total Coliform Rule | RPT | No | No | — | — | — | Resolved | Jun 27, 2025 | Revised Total Coliform Rule |
| Jan 1, 2024 | Dec 31, 2024 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2024 | Nitrate Rule |
| Jan 1, 2024 | Dec 31, 2024 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2024 | Nitrate Rule |
| Jan 1, 2024 | Dec 31, 2024 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2024 | Nitrate Rule |
| Jan 1, 2024 | Dec 31, 2024 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2024 | Nitrate Rule |
| Jan 1, 2024 | Dec 31, 2024 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2024 | Nitrate Rule |
| Jan 1, 2024 | Dec 31, 2024 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2024 | Nitrate Rule |
| Jan 1, 2024 | Dec 31, 2024 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2024 | Nitrate Rule |
| Jan 1, 2024 | Dec 31, 2024 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2024 | Nitrate Rule |
| Jan 1, 2024 | Dec 31, 2024 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2024 | Nitrate Rule |
| Jan 1, 2024 | Dec 31, 2024 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2024 | Nitrate Rule |
| Jan 1, 2022 | Dec 31, 2022 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2022 | Nitrate Rule |
| Jan 1, 2022 | Dec 31, 2022 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2022 | Nitrate Rule |
| Jan 1, 2022 | Dec 31, 2022 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2022 | Nitrate Rule |
| Jan 1, 2022 | Dec 31, 2022 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2022 | Nitrate Rule |
| Jan 1, 2022 | Dec 31, 2022 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2022 | Nitrate Rule |
| Jan 1, 2022 | Dec 31, 2022 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2022 | Nitrate Rule |
| Jan 1, 2022 | Dec 31, 2022 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2022 | Nitrate Rule |
| Jan 1, 2022 | Dec 31, 2022 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2022 | Nitrate Rule |
| Jan 1, 2022 | Dec 31, 2022 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2022 | Nitrate Rule |
| Jan 1, 2022 | Dec 31, 2022 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2022 | Nitrate Rule |
| Jan 1, 2022 | Dec 31, 2022 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2022 | Nitrate Rule |
| Jan 1, 2022 | Dec 31, 2022 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2022 | Nitrate Rule |
| Jan 1, 2022 | Dec 31, 2022 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2022 | Nitrate Rule |
| Jan 1, 2022 | Dec 31, 2022 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2022 | Nitrate Rule |
| Jan 1, 2022 | Dec 31, 2022 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2022 | Nitrate Rule |
| Jul 1, 2019 | Sep 30, 2019 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2019 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2019 | Sep 30, 2019 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2019 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2019 | Sep 30, 2019 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2019 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2019 | — | Revised Total Coliform Rule | RPT | No | No | — | — | — | Resolved | Aug 21, 2019 | Revised Total Coliform Rule |
| Jul 1, 2019 | — | Revised Total Coliform Rule | RPT | No | No | — | — | — | Resolved | Aug 21, 2019 | Revised Total Coliform Rule |
| Jan 1, 2018 | Dec 31, 2018 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2018 | Nitrate Rule |
| Jan 1, 2018 | Dec 31, 2020 | Benzo(a)pyrene | MR | No | No | — | 0.0002 mg/L | — | Resolved | Dec 31, 2020 | Synthetic Organic Chemicals |
| Jan 1, 2018 | Dec 31, 2020 | Dinoseb | MR | No | No | — | 0.007 mg/L | — | Resolved | Dec 31, 2020 | Synthetic Organic Chemicals |
| Jan 1, 2018 | Dec 31, 2020 | 1,2-DIBROMO-3-CHLOROPROPANE | MR | No | No | — | 0.0002 mg/L | — | Resolved | Dec 31, 2020 | Synthetic Organic Chemicals |
| Jan 1, 2018 | Dec 31, 2020 | Toxaphene | MR | No | No | — | 0.003 mg/L | — | Resolved | Dec 31, 2020 | Synthetic Organic Chemicals |
| Jan 1, 2018 | Dec 31, 2020 | Pentachlorophenol | MR | No | No | — | 0.001 mg/L | — | Resolved | Dec 31, 2020 | Synthetic Organic Chemicals |
| Jan 1, 2018 | Dec 31, 2020 | Glyphosate | MR | No | No | — | 0.7 mg/L | — | Resolved | Dec 31, 2020 | Synthetic Organic Chemicals |
| Jan 1, 2018 | Dec 31, 2020 | Endrin | MR | No | No | — | 0.002 mg/L | — | Resolved | Dec 31, 2020 | Synthetic Organic Chemicals |
| Jan 1, 2018 | Dec 31, 2018 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2018 | Nitrate Rule |
| Jan 1, 2018 | Dec 31, 2020 | ETHYLENE DIBROMIDE | MR | No | No | — | 0.00005 mg/L | — | Resolved | Dec 31, 2020 | Synthetic Organic Chemicals |
| Jan 1, 2018 | Dec 31, 2020 | 2,4,5-TP | MR | No | No | — | 0.05 mg/L | — | Resolved | Dec 31, 2020 | Synthetic Organic Chemicals |
| Jan 1, 2018 | Dec 31, 2020 | Carbofuran | MR | No | No | — | 0.04 mg/L | — | Resolved | Dec 31, 2020 | Synthetic Organic Chemicals |
| Jan 1, 2018 | Dec 31, 2020 | OXAMYL | MR | No | No | — | 0.2 mg/L | — | Resolved | Dec 31, 2020 | Synthetic Organic Chemicals |
| Jan 1, 2018 | Dec 31, 2020 | 2,4-D | MR | No | No | — | 0.07 mg/L | — | Resolved | Dec 31, 2020 | Synthetic Organic Chemicals |
| Jan 1, 2018 | Dec 31, 2020 | 2,3,7,8-TCDD | MR | No | No | — | 0.00000003 mg/L | — | Resolved | Dec 31, 2020 | Synthetic Organic Chemicals |
| Jan 1, 2018 | Dec 31, 2020 | Dalapon | MR | No | No | — | 0.2 mg/L | — | Resolved | Dec 31, 2020 | Synthetic Organic Chemicals |
| Jan 1, 2018 | Dec 31, 2020 | Picloram | MR | No | No | — | 0.5 mg/L | — | Resolved | Dec 31, 2020 | Synthetic Organic Chemicals |
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.