Water Quality in OPELOUSAS, LA (70571)
EPA violation data for public water systems serving ZIP code 70571.
43
Total Violations
35
Health-Based
8
Monitoring / Reporting
24
Resolved
What does this mean?
24 of 43 violations have been resolved. 35 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 8 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 |
|---|---|---|---|---|---|---|
| Groundwater Rule | Health-Based | N/A | N/A | Apr 1, 2025 | Active | N/A |
| Groundwater Rule | Health-Based | N/A | N/A | Apr 1, 2025 | Active | N/A |
| Groundwater Rule | Health-Based | N/A | N/A | Apr 1, 2025 | Active | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Dec 19, 2024 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Dec 19, 2024 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Jul 16, 2024 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Jul 16, 2024 | Resolved | N/A |
| Consumer Confidence Rule | Monitoring | N/A | N/A | Jun 30, 2024 | Resolved | N/A |
| Consumer Confidence Rule | Monitoring | N/A | N/A | Jun 30, 2024 | Resolved | N/A |
| Groundwater Rule | Health-Based | N/A | N/A | Jun 3, 2024 | Resolved | N/A |
Lead & Copper Levels
Violation Timeline
2025(3)
Groundwater Rule
45
Groundwater Rule
45
Groundwater Rule
45
2024(10)
Lead and Copper Rule
66
Lead and Copper Rule
66
Public Notice
75
Public Notice
75
Consumer Confidence Rule
71
Consumer Confidence Rule
71
Groundwater Rule
45
Groundwater Rule
45
Groundwater Rule
45
Groundwater Rule
45
How Does This Compare?
OPELOUSAS (70571) has 43 recorded violations, including 35 health-based. 19 remain 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
Always look for filters certified by NSF International for the specific contaminants you want to remove.