TapSafetyReport
D38/100

WISNER WATER SYSTEM — Water Quality Report 2026

Serving 1,221 people · Louisiana

Water Source
Groundwater
County
—
System ID
LA1041007
Violations
27

Contaminant Test Results

1 contaminant above EPA health goals
ContaminantDetectedLimit (MCL)Status
Lead (90th percentile)
0.002 mg/L0.015 mg/LAbove Goal

EPA Violation History

11

Violations (last 5yr)

5

Unresolved

5

Health-Related

TIER 3Unresolved

Disinfection byproduct treatment technique failure

When: December 31, 2024Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 2Unresolved

Violation related to Consumer Confidence Report

When: November 25, 2024Rule: Consumer Confidence RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 2Unresolved

Violation related to Consumer Confidence Report

When: November 25, 2024Rule: Consumer Confidence RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
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 – January 23, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 2Resolved

Treatment technique violation

When: October 17, 2024 – January 23, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Unresolved

Surface water treatment technique failure

When: July 1, 2024Enforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Unresolved

Monitoring / Reporting Violation

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: November 26, 2022Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Resolved

Surface water treatment technique failure

When: July 1, 2022 – May 1, 2023Enforcement: Resolving — corrective action underway
TIER 3Resolved

Disinfection byproduct treatment technique failure

When: May 26, 2022 – December 20, 2023Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 2Resolved

Violation related to Consumer Confidence Report

When: May 5, 2022 – October 5, 2022Rule: Consumer Confidence RuleEnforcement: Resolving — corrective action underway
TIER 2Resolved

Violation related to Consumer Confidence Report

When: May 5, 2022 – July 27, 2022Rule: Consumer Confidence 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 WISNER WATER SYSTEM

Is WISNER WATER SYSTEM water safe to drink?

WISNER WATER SYSTEM water receives a grade of D (38/100), which is considered poor. 0 contaminant(s) exceed EPA legal limits and 27 violation(s) are on record. Customers may want to consider using a water filter.

What contaminants has WISNER WATER SYSTEM detected?

1 contaminants were tested in WISNER WATER SYSTEM's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).

Does WISNER WATER SYSTEM have any EPA violations?

Yes, WISNER WATER SYSTEM has 27 EPA violation(s) on record, with the most recent in 2024. Violation types include Other, TT, RPT. 8 are health-based violations.

How many people does WISNER WATER SYSTEM serve?

WISNER WATER SYSTEM serves approximately 1,221 people, Louisiana.

What type of water does WISNER WATER SYSTEM provide?

WISNER WATER SYSTEM sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is LA1041007.

How does WISNER WATER SYSTEM compare to other utilities in Louisiana?

WISNER WATER SYSTEM scores 38/100 with a grade of D (poor). This score suggests significant water quality concerns relative to other utilities. Visit our Louisiana state page for a full comparison of water systems.