Water Quality in COLUMBIA, LA (71418)
EPA violation data for public water systems serving ZIP code 71418.
43
Total Violations
38
Health-Based
5
Monitoring / Reporting
42
Resolved
What does this mean?
42 of 43 violations have been resolved. 38 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 5 are monitoring or reporting violations (missed testing deadlines or late paperwork — not necessarily a water quality issue). Not all violations mean your water is unsafe. The EPA requires reporting even for minor administrative issues.
Violations Detail (43 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| Lead and Copper Rule | Monitoring | N/A | N/A | Nov 17, 2023 | Active | N/A |
| Consumer Confidence Rule | Monitoring | N/A | N/A | Jun 30, 2023 | Resolved | N/A |
| Consumer Confidence Rule | Monitoring | N/A | N/A | Jun 30, 2023 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Oct 25, 2022 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Oct 25, 2022 | Resolved | N/A |
| Groundwater Rule | Health-Based | N/A | N/A | Sep 30, 2021 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.115 | Sep 30, 2021 | Resolved | N/A |
| Groundwater Rule | Health-Based | N/A | N/A | Sep 30, 2021 | Resolved | N/A |
| Groundwater Rule | Health-Based | N/A | N/A | Sep 30, 2021 | Resolved | N/A |
| Groundwater Rule | Health-Based | N/A | N/A | Sep 30, 2021 | Resolved | N/A |
Lead & Copper Levels
Violation Timeline
2023(3)
Lead and Copper Rule
66
Consumer Confidence Rule
71
Consumer Confidence Rule
71
2022(2)
Lead and Copper Rule
66
Lead and Copper Rule
66
How Does This Compare?
COLUMBIA (71418) has 43 recorded violations, including 38 health-based. 1 remains unresolved. Consider testing your tap water independently for added peace of mind.
Recommended Water Filters
Based on the contaminants detected in your area, these filter types may help improve your water quality.
Reverse Osmosis System
Highly effective at removing heavy metals, dissolved solids, and a wide range of contaminants. Recommended for homes with lead or arsenic concerns.
Targets:Lead, Copper, Arsenic, Mercury, Cadmium
Look for:NSF/ANSI 58 certified
Activated Carbon Filter
Excellent for removing chlorine, chloramine, and disinfection byproducts like THMs and HAAs. Available as pitcher filters, countertop, or under-sink units.
Targets:THMs, HAAs, Chlorine, Chloramine, Taste & Odor
Look for:NSF/ANSI 42 & 53 certified
Always look for filters certified by NSF International for the specific contaminants you want to remove.