MAGNOLIA-MONTEREY SUBDIVISION
PWS ID: LA1103148 · DES PERES, Louisiana 63131
Population Served
1,356
Total Violations
39
Health-Based Violations
18
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 452
- County
- St. Tammany Parish
- School/Daycare
- No
- MCL Violations
- 18
- Monitoring Violations
- 10
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 18 | 1996 |
| Consumer Confidence Rule | Other | 11 | 2013 |
| Lead and Copper Rule | MR | 7 | 2008 |
| Coliform (TCR) | MR | 2 | 2009 |
| Stage 2 Disinfectants and Disinfection Byproducts Rule | MR | 1 | 2008 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.