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Wisner, LA Tap Water Quality 2026

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

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

Main Utility: Town Of Wisner Water System PWSID: LA1041007 Updated: 2026 Q2
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2 violations currently open

Lead is 2.00 ppb, 13% of the action level. PFAS has never been sampled at this system.

D

Wisner earns a D for water quality

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

Lead: 2.00 ppb — 13% of the federal action level
PFAS never sampled at this system
21 violations since 2015, 8 health-based
2 violations currently open
Wisner's lead level vs. all Louisiana community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 2.00 ppb — 13% of the federal action level
✓ Lower lead than 56% of Louisiana utilities
Population Served
766
~407 connections
Water Source
Groundwater
Drawn from wells — SDWIS source code GW
Active Violations
2
2 open of 21 since 2015

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
13% of EPA action level
2.00 ppb
Action level: 15 ppb
The 90th-percentile lead result is 2.00 ppb, 13% 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.

Contaminant Violations (2015–Present)

ContaminantTypeMeasuredLimitPeriodStatus
Lead and Copper Rule MONITORING AND REPORTING — TT 2026 Unaddressed
Consumer Confidence Rule OTHER — — 2025 Unaddressed
Public Notice OTHER — — 2024 Unaddressed
Groundwater Rule TREATMENT TECHNIQUE — — 2024 Unaddressed
Groundwater Rule TREATMENT TECHNIQUE — — 2024 Unaddressed
LEAD AND COPPER RULE REVISIONS REPORTING FAILURE — — 2024 Resolved
LEAD AND COPPER RULE REVISIONS TREATMENT TECHNIQUE — — 2024 Resolved
Consumer Confidence Rule OTHER — — 2024 Unaddressed
Lead and Copper Rule MONITORING AND REPORTING — TT 2022 Unaddressed
Consumer Confidence Rule OTHER — — 2022 Resolved
Public Notice OTHER — — 2022 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2022 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2022 Resolved
Public Notice OTHER — — 2019 Resolved
Public Notice OTHER — — 2019 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2019 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2019 Resolved
Public Notice OTHER — — 2018 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2017 Resolved
Consumer Confidence Rule OTHER — — 2016 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2016 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

2 violations remain open, out of 21 recorded since 2015 (8 health-based).

About the Main Water System

Utility Town Of Wisner Water System
PWSID LA1041007
Water source Groundwater — Drawn from wells — SDWIS source code GW
Population served 766
Service connections 407
Systems serving this area 1
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Wisner tap water safe to drink? ▼
No federal limit is exceeded on record. 2 violation(s) remain open. Lead is 2.00 ppb, 13% of the action level.
Does Wisner 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 Wisner? ▼
Town Of Wisner Water System (PWSID LA1041007). Groundwater. Drawn from wells — SDWIS source code GW
When was this system last inspected? ▼
It was last inspected on 2025-07-08. No significant deficiencies were recorded.

What Should Wisner Residents Do?

1
Read your annual water report
Your supplier publishes a Consumer Confidence Report each July covering the prior year.
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
Follow the open violation
This system has an unresolved violation. Contact the supplier for its corrective-action schedule.

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