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Mansura, LA Tap Water Quality 2026

Water quality report for Mansura, LA — PFAS, lead and copper results, violation history and state inspection findings from EPA SDWIS.

A look at Mansura's drinking water using EPA enforcement records: violations, lead and copper results, PFAS sampling and state inspection findings.

Main Utility: Lawco - Mansura Water System PWSID: LA1009010 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead is 7.00 ppb, 47% of the action level and no violations are open. PFAS has never been sampled at this system.

C

Mansura earns a C for water quality

Graded on violations and lead, with state inspection findings. PFAS not tested.

Lead: 7.00 ppb — 47% of the federal action level
PFAS never sampled at this system
3 violations since 2015, 2 health-based
No violations currently open
Mansura's lead level vs. all Louisiana community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 7.00 ppb — 47% of the federal action level
✓ Lower lead than 5% of Louisiana utilities
Population Served
1309
~626 connections
Water Source
Groundwater
Purchased groundwater from another system — SDWIS source code GWP
Active Violations
0
3 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
47% of EPA action level
7.00 ppb
Action level: 15 ppb
Copper (Cu)
90th percentile of tap samples. SDWIS reports a copper figure only when a system exceeds the action level, so any value here is an exceedance.
184.6% of EPA action level
2,400 ppb
Action level: 1,300 ppb
The 90th-percentile lead result is 7.00 ppb, 47% of the 15 ppb federal action level. The action level is a treatment trigger, not a legal maximum, and it is measured across sampled taps rather than at any single home. Copper reached the action level here; a copper figure appears in SDWIS only when a system triggers it.

Contaminant Violations (2015–Present)

ContaminantTypeMeasuredLimitPeriodStatus
TTHM MCL EXCEEDANCE 83 UG/L 0.080 mg/L 2017 Resolved
TTHM MCL EXCEEDANCE 87 UG/L 0.080 mg/L 2017 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2017 Resolved
Understanding violation types MCL violations mean a contaminant exceeded the federal maximum limit — the most serious type.
TT (Treatment Technique) violations mean required treatment procedures weren't followed, but don't necessarily mean contamination occurred.

Violation History

3 violations are on record since 2015, of which 2 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Lawco - Mansura Water System
PWSID LA1009010
Water source Groundwater — Purchased groundwater from another system — SDWIS source code GWP
Population served 1,309
Service connections 626
Systems serving this area 2
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Mansura tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open. Lead is 7.00 ppb, 47% of the action level.
Does Mansura water have PFAS? ▼
This system has never been sampled for PFAS. EPA's national monitoring covered systems serving 3,300 people or more, so no results exist — which is not evidence that none is present.
Who supplies water to Mansura? ▼
Lawco - Mansura Water System (PWSID LA1009010), one of 2 systems serving this area. Groundwater. Purchased groundwater from another system — SDWIS source code GWP
When was this system last inspected? ▼
It was last inspected on 2026-02-03. No significant deficiencies were recorded.

What Should Mansura Residents Do?

1
Consider a filter certified for lead
Look for NSF/ANSI 53 certification for lead reduction.
2
Check for a lead service line
Lead reaches tap water mainly through service lines and household plumbing. Suppliers now publish an inventory identifying lead lines.
3
Flush before drinking
If water has sat in pipes more than six hours, run the cold tap for two minutes before drinking or cooking.

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