C57/100
TOWN OF MARINGOUIN — Water Quality Report 2026
Serving 3,300 people · Louisiana
Water Source
Groundwater
County
—
System ID
LA1047003
Violations
12
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
2
Violations (last 5yr)
0
Unresolved
1
Health-Related
TIER 3Resolved
Reporting violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 17, 2024 – October 29, 2024Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 2Resolved
Treatment technique violation
When: October 17, 2024 – April 30, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Frequently Asked Questions About TOWN OF MARINGOUIN
Is TOWN OF MARINGOUIN water safe to drink?
TOWN OF MARINGOUIN water receives a grade of C (57/100), which is considered fair. 0 contaminant(s) exceed EPA legal limits and 12 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has TOWN OF MARINGOUIN detected?
31 contaminants were tested in TOWN OF MARINGOUIN's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does TOWN OF MARINGOUIN have any EPA violations?
Yes, TOWN OF MARINGOUIN has 12 EPA violation(s) on record, with the most recent in 2024. Violation types include RPT, TT, MR. 7 are health-based violations.
How many people does TOWN OF MARINGOUIN serve?
TOWN OF MARINGOUIN serves approximately 3,300 people, Louisiana.
What type of water does TOWN OF MARINGOUIN provide?
TOWN OF MARINGOUIN sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is LA1047003.
How does TOWN OF MARINGOUIN compare to other utilities in Louisiana?
TOWN OF MARINGOUIN scores 57/100 with a grade of C (fair). This score indicates room for improvement compared to other utilities. Visit our Louisiana state page for a full comparison of water systems.