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F0/100

SLIGO WATER SYSTEM INCORPORATED — Water Quality Report 2026

Serving 2,850 people · Louisiana

Water Source
Groundwater
County
—
System ID
LA1015044
Violations
67

Contaminant Test Results

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

EPA Violation History

9

Violations (last 5yr)

1

Unresolved

2

Health-Related

TIER 3Resolved

Disinfection byproduct treatment technique failure

When: May 21, 2024 – December 23, 2024Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 3Resolved

Surface water treatment technique failure

When: July 1, 2023 – June 25, 2024Enforcement: Formal — state order issued
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, 2023 – December 31, 2023Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 3Resolved

Disinfection byproduct treatment technique failure

When: May 6, 2023 – December 23, 2024Rule: Ground Water RuleEnforcement: Formal — state order issued
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: Formal — state order issued
TIER 3Resolved

Disinfection byproduct treatment technique failure

When: July 10, 2021 – May 12, 2022Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 2Resolved

Violation related to Consumer Confidence Report

When: June 2, 2021 – August 16, 2021Rule: Consumer Confidence RuleEnforcement: Resolving — corrective action underway
TIER 2Unresolved

Violation related to Consumer Confidence Report

When: June 2, 2021Rule: Consumer Confidence RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Resolved

Disinfection byproduct treatment technique failure

When: May 8, 2021 – December 23, 2024Rule: Ground Water 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 SLIGO WATER SYSTEM INCORPORATED

Is SLIGO WATER SYSTEM INCORPORATED water safe to drink?

SLIGO WATER SYSTEM INCORPORATED water receives a grade of F (0/100), which is considered failing. 1 contaminant(s) exceed EPA legal limits and 67 violation(s) are on record. Customers may want to consider using a water filter.

What contaminants has SLIGO WATER SYSTEM INCORPORATED detected?

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

Does SLIGO WATER SYSTEM INCORPORATED have any EPA violations?

Yes, SLIGO WATER SYSTEM INCORPORATED has 67 EPA violation(s) on record, with the most recent in 2024. Violation types include Other, MR, TT. 14 are health-based violations.

How many people does SLIGO WATER SYSTEM INCORPORATED serve?

SLIGO WATER SYSTEM INCORPORATED serves approximately 2,850 people, Louisiana.

What type of water does SLIGO WATER SYSTEM INCORPORATED provide?

SLIGO WATER SYSTEM INCORPORATED sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is LA1015044.

How does SLIGO WATER SYSTEM INCORPORATED compare to other utilities in Louisiana?

SLIGO WATER SYSTEM INCORPORATED scores 0/100 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.