CS EL PRADO WATER COMPANY
PWS ID: AZ0414442 · DES PERES, Arizona 63131
Population Served
404
Total Violations
461
Health-Based Violations
235
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 158
- County
- Yuma
- School/Daycare
- No
- MCL Violations
- 212
- Monitoring Violations
- 165
- Treatment Tech Violations
- 23
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Arsenic | MCL | 207 | 2025 |
| Arsenic | MR | 55 | 2025 |
| Consumer Confidence Rule | Other | 29 | 2021 |
| Coliform (TCR) | MR | 25 | 2015 |
| Groundwater Rule | TT | 23 | 2022 |
| Lead and Copper Rule | MR | 22 | 2024 |
| Public Notice | Other | 11 | 2025 |
| Revised Total Coliform Rule | MON | 10 | 2024 |
| Revised Total Coliform Rule | RPT | 9 | 2020 |
| Nitrate | MR | 3 | 2002 |
| Revised Total Coliform Rule | MCL | 3 | 2024 |
| Coliform (TCR) | MCL | 2 | 2012 |
| 1,1-Dichloroethylene | MR | 1 | 1998 |
| 1,2-Dichloroethane | MR | 1 | 1998 |
| 1,1,1-Trichloroethane | MR | 1 | 1998 |
| Carbon tetrachloride | MR | 1 | 1998 |
| 1,2-Dichloropropane | MR | 1 | 1998 |
| Trichloroethylene | MR | 1 | 1998 |
| Tetrachloroethylene | MR | 1 | 1998 |
| CHLOROBENZENE | MR | 1 | 1998 |
| Toluene | MR | 1 | 1998 |
| Ethylbenzene | MR | 1 | 1998 |
| Endrin | MR | 1 | 1998 |
| BHC-GAMMA | MR | 1 | 1998 |
| Methoxychlor | MR | 1 | 1998 |
| Dalapon | MR | 1 | 1998 |
| Glyphosate | MR | 1 | 1998 |
| Di(2-ethylhexyl) adipate | MR | 1 | 1998 |
| OXAMYL | MR | 1 | 1998 |
| Di(2-ethylhexyl) phthalate | MR | 1 | 1998 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.