ROSA JOINT VENTURES WATER SYSTEM
PWS ID: NM3500324 · IGNACIO, New Mexico 81137
Population Served
239
Total Violations
326
Health-Based Violations
189
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 82
- County
- San Juan
- School/Daycare
- No
- MCL Violations
- 84
- Monitoring Violations
- 95
- Treatment Tech Violations
- 105
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Groundwater Rule | TT | 101 | 2023 |
| Selenium | MCL | 68 | 2021 |
| E. COLI | MR | 32 | 2023 |
| Revised Total Coliform Rule | MON | 29 | 2021 |
| Consumer Confidence Rule | Other | 19 | 2022 |
| Public Notice | Other | 16 | 2023 |
| Selenium | MR | 15 | 2020 |
| Coliform (TCR) | MCL | 12 | 2014 |
| Coliform (TCR) | MR | 11 | 2014 |
| Lead and Copper Rule | MR | 8 | 2021 |
| Revised Total Coliform Rule | MCL | 4 | 2020 |
| Revised Total Coliform Rule | TT | 4 | 2020 |
| Revised Total Coliform Rule | Other | 4 | 2016 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.