EAST COLUMBIA WATER SYSTEM
PWS ID: LA1021004 · COLUMBIA, Louisiana 71418
Population Served
2,829
Total Violations
374
Health-Based Violations
280
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 943
- County
- Caldwell Parish
- School/Daycare
- No
- MCL Violations
- 270
- Monitoring Violations
- 71
- Treatment Tech Violations
- 10
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| TTHM | MCL | 147 | 2021 |
| Total Haloacetic Acids (HAA5) | MCL | 97 | 2019 |
| Coliform (TCR) | MCL | 26 | 2012 |
| Total Haloacetic Acids (HAA5) | MR | 19 | 2010 |
| TTHM | MR | 19 | 2010 |
| Coliform (TCR) | MR | 16 | 2015 |
| Chloramine | MR | 11 | 2015 |
| Groundwater Rule | TT | 10 | 2021 |
| Lead and Copper Rule | MR | 6 | 1993 |
| Public Notice | Other | 4 | 2017 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.