MOUNT HERMON WATER DISTRICT
PWS ID: LA1117021 · MOUNT HERMON, Louisiana 70405
Population Served
1,107
Total Violations
36
Health-Based Violations
15
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 369
- County
- Washington Parish
- School/Daycare
- No
- MCL Violations
- 8
- Monitoring Violations
- 19
- Treatment Tech Violations
- 7
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| TTHM | MR | 8 | 2013 |
| Total Haloacetic Acids (HAA5) | MR | 8 | 2013 |
| Coliform (TCR) | MCL | 8 | 2012 |
| Groundwater Rule | TT | 6 | 2025 |
| Coliform (TCR) | MR | 3 | 2008 |
| 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.