COLUMBIA WATER SYSTEM
PWS ID: LA1021002 · COLUMBIA, Louisiana 71418
Population Served
945
Total Violations
24
Health-Based Violations
3
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 315
- County
- Caldwell Parish
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 18
- Treatment Tech Violations
- 3
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 9 | 2015 |
| Lead and Copper Rule | MR | 5 | 2023 |
| Chlorine | MR | 4 | 2015 |
| Consumer Confidence Rule | Other | 3 | 2023 |
| Groundwater Rule | TT | 3 | 2013 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.