Water Quality in GRAND COTEAU, LA (70541)

EPA violation data for public water systems serving ZIP code 70541.

57

Total Violations

41

Health-Based

16

Monitoring / Reporting

23

Resolved

What does this mean?

23 of 57 violations have been resolved. 41 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 16 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.

Water systems: 5 Population served: 1,755

Violations Detail (57 total)

ContaminantCategoryMCL LimitMeasuredDateStatusHealth Effects
Groundwater RuleHealth-BasedN/AN/AMar 2, 2025ActiveN/A
Groundwater RuleHealth-BasedN/AN/AMar 2, 2025ActiveN/A
Groundwater RuleHealth-BasedN/AN/AMar 2, 2025ActiveN/A
Groundwater RuleHealth-BasedN/AN/AMar 2, 2025ActiveN/A
Lead and Copper RuleMonitoringN/AN/ADec 31, 2024ResolvedN/A
Lead and Copper RuleMonitoringN/AN/ADec 31, 2024ResolvedN/A
Lead and Copper RuleMonitoringN/AN/ADec 31, 2024ResolvedN/A
Lead and Copper RuleMonitoringN/AN/ADec 31, 2024ResolvedN/A
LEAD AND COPPER RULE REVISIONSHealth-BasedN/AN/AOct 16, 2024ActiveN/A
LEAD AND COPPER RULE REVISIONSMonitoringN/AN/AOct 16, 2024ActiveN/A

Lead & Copper Levels

Violation Timeline

2025(4)

Groundwater Rule

45

Mar 2Active

Groundwater Rule

45

Mar 2Active

Groundwater Rule

45

Mar 2Active

Groundwater Rule

45

Mar 2Active

2024(7)

Lead and Copper Rule

52

Dec 31Resolved

Lead and Copper Rule

52

Dec 31Resolved

Lead and Copper Rule

52

Dec 31Resolved

Lead and Copper Rule

52

Dec 31Resolved

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Active

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Active

Lead and Copper Rule

66

Sep 3Resolved

How Does This Compare?

GRAND COTEAU (70541) has 57 recorded violations, including 41 health-based. 34 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

NSF Certified Products → EPA Safe Drinking Water Guide →

Always look for filters certified by NSF International for the specific contaminants you want to remove.

Nearby ZIP Codes

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