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F8/100

SOUTHWEST AVOYELLES WATER DISTRICT — Water Quality Report 2026

Serving 1,053 people · Louisiana

Water Source
Groundwater
County
—
System ID
LA1009015
Violations
32

Contaminant Test Results

1 contaminant above EPA health goals
ContaminantDetectedLimit (MCL)Status
Copper (90th percentile)
1.40 mg/L1.30 mg/LOver Limit

EPA Violation History

15

Violations (last 5yr)

0

Unresolved

7

Health-Related

TIER 3Resolved

Disinfection byproduct treatment technique failure

When: February 12, 2025 – April 24, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 2Resolved

Treatment technique violation

When: October 17, 2024 – December 27, 2024Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 2Resolved

Exceeded the Maximum Contaminant Level (running average)

When: October 1, 2024 – December 31, 2024Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved

Disinfection byproduct treatment technique failure

When: August 27, 2024 – December 17, 2024Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 2Resolved

Exceeded the Maximum Contaminant Level (running average)

When: July 1, 2024 – September 30, 2024Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 2Resolved

Exceeded the Maximum Contaminant Level (running average)

When: April 1, 2024 – June 30, 2024Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved

Monitoring / Reporting Violation

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

When: October 26, 2022 – April 26, 2023Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 3Resolved

Surface water treatment technique failure

When: July 1, 2022 – May 24, 2023Enforcement: Formal — state order issued
TIER 3Resolved

Disinfection byproduct treatment technique failure

When: January 7, 2022 – May 24, 2023Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 2Resolved

Violation related to Consumer Confidence Report

When: December 2, 2021 – February 8, 2023Rule: Consumer Confidence RuleEnforcement: Formal — state order issued
TIER 3Resolved

Disinfection byproduct treatment technique failure

When: July 10, 2021Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 3Resolved

Surface water treatment technique failure

When: July 1, 2021 – May 24, 2023Enforcement: Formal — state order issued
TIER 3Resolved

Disinfection byproduct treatment technique failure

When: June 24, 2021 – May 24, 2023Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 2Resolved

Violation related to Consumer Confidence Report

When: May 3, 2021Rule: Consumer Confidence RuleEnforcement: Formal — state order issued
TIER 2Resolved

Violation related to Consumer Confidence Report

When: May 3, 2021Rule: Consumer Confidence RuleEnforcement: Formal — state order issued

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 SOUTHWEST AVOYELLES WATER DISTRICT

Is SOUTHWEST AVOYELLES WATER DISTRICT water safe to drink?

SOUTHWEST AVOYELLES WATER DISTRICT water receives a grade of F (8/100), which is considered failing. 1 contaminant(s) exceed EPA legal limits and 32 violation(s) are on record. Customers may want to consider using a water filter.

What contaminants has SOUTHWEST AVOYELLES WATER DISTRICT detected?

2 contaminants were tested in SOUTHWEST AVOYELLES WATER DISTRICT's water. Notable contaminants include Copper (90th percentile). 1 exceed EPA legal limits (MCLs). 1 exceed EPA health goals (MCLGs).

Does SOUTHWEST AVOYELLES WATER DISTRICT have any EPA violations?

Yes, SOUTHWEST AVOYELLES WATER DISTRICT has 32 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, TT, MCL. 13 are health-based violations.

How many people does SOUTHWEST AVOYELLES WATER DISTRICT serve?

SOUTHWEST AVOYELLES WATER DISTRICT serves approximately 1,053 people, Louisiana.

What type of water does SOUTHWEST AVOYELLES WATER DISTRICT provide?

SOUTHWEST AVOYELLES WATER DISTRICT sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is LA1009015.

How does SOUTHWEST AVOYELLES WATER DISTRICT compare to other utilities in Louisiana?

SOUTHWEST AVOYELLES WATER DISTRICT scores 8/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Louisiana state page for a full comparison of water systems.