ANTELOPE WATER COMPANY
PWS ID: AZ0414001 · WELLTON, Arizona 85356
Population Served
163
Total Violations
388
Health-Based Violations
3
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 65
- County
- Yuma
- School/Daycare
- No
- MCL Violations
- 1
- Monitoring Violations
- 329
- Treatment Tech Violations
- 2
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Total Haloacetic Acids (HAA5) | MR | 31 | 2025 |
| TTHM | MR | 30 | 2025 |
| Coliform (TCR) | MR | 27 | 2014 |
| Chlorine | MR | 22 | 2023 |
| Surface Water Treatment Rule | MR | 21 | 2023 |
| Interim Enhanced Surface Water Treatment Rule | MR | 18 | 2023 |
| Nitrate | MR | 16 | 2002 |
| Revised Total Coliform Rule | MON | 12 | 2021 |
| Consumer Confidence Rule | Other | 10 | 2020 |
| Public Notice | Other | 10 | 2024 |
| Revised Total Coliform Rule | RPT | 9 | 2025 |
| Fluoride | MR | 9 | 1999 |
| Mercury | MR | 9 | 1999 |
| Arsenic | MR | 9 | 1999 |
| Selenium | MR | 8 | 1999 |
| Barium | MR | 8 | 1999 |
| Chromium | MR | 8 | 1999 |
| Cadmium | MR | 8 | 1999 |
| Lead and Copper Rule | MR | 7 | 2021 |
| Endrin | MR | 3 | 1998 |
| Methoxychlor | MR | 3 | 1998 |
| 2,4-D | MR | 3 | 1998 |
| 2,4,5-TP | MR | 3 | 1998 |
| Toxaphene | MR | 3 | 1998 |
| BHC-GAMMA | MR | 3 | 1998 |
| cis-1,2-Dichloroethylene | MR | 2 | 1998 |
| DICHLOROMETHANE | MR | 2 | 1998 |
| p-Dichlorobenzene | MR | 2 | 1998 |
| 1,1-Dichloroethylene | MR | 2 | 1998 |
| trans-1,2-Dichloroethylene | MR | 2 | 1998 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.