ST JOSEPH WATER SYSTEM
PWS ID: LA1107004 · ST JOSEPH, Louisiana 71366
Population Served
1,332
Total Violations
381
Health-Based Violations
137
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 444
- County
- Tensas Parish
- School/Daycare
- No
- MCL Violations
- 117
- Monitoring Violations
- 75
- Treatment Tech Violations
- 20
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Consumer Confidence Rule | Other | 92 | 2024 |
| TTHM | MCL | 82 | 2020 |
| Public Notice | Other | 57 | 2024 |
| Coliform (TCR) | MR | 34 | 2015 |
| Total Haloacetic Acids (HAA5) | MCL | 24 | 2019 |
| Groundwater Rule | TT | 19 | 2023 |
| Chlorine | MR | 15 | 2016 |
| Lead and Copper Rule | MR | 8 | 2023 |
| Coliform (TCR) | MCL | 7 | 2007 |
| TTHM | MR | 5 | 2009 |
| Total Haloacetic Acids (HAA5) | MR | 5 | 2009 |
| Stage 2 Disinfectants and Disinfection Byproducts Rule | MR | 4 | 2010 |
| Revised Total Coliform Rule | MON | 4 | 2016 |
| Revised Total Coliform Rule | MCL | 4 | 2017 |
| LEAD AND COPPER RULE REVISIONS | TT | 1 | 2024 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.