TapSafetyReport
F19/100

TOWN OF GUEYDAN WATER SYSTEM — Water Quality Report 2026

Serving 2,016 people · Louisiana

Water Source
Groundwater
County
—
System ID
LA1113006
Violations
22

Contaminant Test Results

2 contaminants above EPA health goals
ContaminantDetectedLimit (MCL)Status
Copper (90th percentile)
1.50 mg/L1.30 mg/LOver Limit
Lead (90th percentile)
0.003 mg/L0.015 mg/LAbove Goal

EPA Violation History

16

Violations (last 5yr)

3

Unresolved

8

Health-Related

TIER 2Unresolved

Violation related to Consumer Confidence Report

When: August 8, 2025Rule: Consumer Confidence RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 2Unresolved

Violation related to Consumer Confidence Report

When: August 8, 2025Rule: Consumer Confidence RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 2Unresolved

Violation related to Consumer Confidence Report

When: August 8, 2025Rule: Consumer Confidence RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 2Resolved

Treatment technique violation

When: October 17, 2024 – January 28, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved

Disinfection byproduct treatment technique failure

When: November 20, 2023 – September 8, 2024Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 3Resolved

Disinfection byproduct treatment technique failure

When: November 20, 2023 – September 8, 2024Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 2Resolved

Consumer confidence report — content deficiency

When: July 11, 2023 – November 27, 2023Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved

Disinfection byproduct treatment technique failure

When: June 28, 2023 – September 6, 2024Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 2Resolved

Violation related to Consumer Confidence Report

When: May 17, 2023 – April 29, 2025Rule: Consumer Confidence RuleEnforcement: Formal — state order issued
TIER 3Resolved

Disinfection byproduct treatment technique failure

When: December 14, 2022 – September 8, 2024Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 3Resolved

Disinfection byproduct treatment technique failure

When: December 14, 2022 – September 8, 2024Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 2Resolved

Consumer confidence report — content deficiency

When: July 11, 2022 – November 27, 2023Rule: Ground Water RuleEnforcement: 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: July 1, 2022 – December 31, 2022Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved

Consumer confidence report — inadequate or unavailable

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

When: January 1, 2022 – May 25, 2021Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved

Disinfection byproduct treatment technique failure

When: October 30, 2021 – September 13, 2024Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 2Resolved

Violation related to Consumer Confidence Report

When: September 6, 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 TOWN OF GUEYDAN WATER SYSTEM

Is TOWN OF GUEYDAN WATER SYSTEM water safe to drink?

TOWN OF GUEYDAN WATER SYSTEM water receives a grade of F (19/100), which is considered failing. 1 contaminant(s) exceed EPA legal limits and 22 violation(s) are on record. Customers may want to consider using a water filter.

What contaminants has TOWN OF GUEYDAN WATER SYSTEM detected?

2 contaminants were tested in TOWN OF GUEYDAN WATER SYSTEM's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).

Does TOWN OF GUEYDAN WATER SYSTEM have any EPA violations?

Yes, TOWN OF GUEYDAN WATER SYSTEM has 22 EPA violation(s) on record, with the most recent in 2025. Violation types include TT, Other, MR. 12 are health-based violations.

How many people does TOWN OF GUEYDAN WATER SYSTEM serve?

TOWN OF GUEYDAN WATER SYSTEM serves approximately 2,016 people, Louisiana.

What type of water does TOWN OF GUEYDAN WATER SYSTEM provide?

TOWN OF GUEYDAN WATER SYSTEM sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is LA1113006.

How does TOWN OF GUEYDAN WATER SYSTEM compare to other utilities in Louisiana?

TOWN OF GUEYDAN WATER SYSTEM scores 19/100 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.