TapSafetyReport
F0/100

LAKE ST JOHN WATERWORKS DISTRICT 1 — Water Quality Report 2026

Serving 2,067 people · Louisiana

Water Source
Groundwater
County
—
System ID
LA1029006
Violations
122

Contaminant Test Results

EPA Violation History

16

Violations (last 5yr)

0

Unresolved

14

Health-Related

TIER 2Resolved

Exceeded the Maximum Contaminant Level (running average)

When: October 1, 2023 – December 31, 2023Rule: Stage 2 DBPREnforcement: Formal — state order issued
TIER 2Resolved

Exceeded the Maximum Contaminant Level (running average)

When: July 1, 2023 – September 30, 2023Rule: Stage 2 DBPREnforcement: Formal — state order issued
TIER 2Resolved

Exceeded the Maximum Contaminant Level (running average)

When: April 1, 2023 – June 30, 2023Rule: Stage 2 DBPREnforcement: Formal — state order issued
TIER 2Resolved

Exceeded the Maximum Contaminant Level (running average)

When: April 1, 2023 – June 30, 2023Rule: Stage 2 DBPREnforcement: Formal — state order issued
TIER 2Resolved

Exceeded the Maximum Contaminant Level (running average)

When: January 1, 2023 – March 31, 2023Rule: Stage 2 DBPREnforcement: Formal — state order issued
TIER 2Resolved

Exceeded the Maximum Contaminant Level (running average)

When: January 1, 2023 – March 31, 2023Rule: Stage 2 DBPREnforcement: Formal — state order issued
TIER 2Resolved

Exceeded the Maximum Contaminant Level (running average)

When: October 1, 2022 – December 31, 2022Rule: Stage 2 DBPREnforcement: Formal — state order issued
TIER 2Resolved

Exceeded the Maximum Contaminant Level (running average)

When: October 1, 2022 – December 31, 2022Rule: Stage 2 DBPREnforcement: Formal — state order issued
TIER 2Resolved

Exceeded the Maximum Contaminant Level (running average)

When: July 1, 2022 – September 30, 2022Rule: Stage 2 DBPREnforcement: Formal — state order issued
TIER 3Resolved

Disinfection byproduct treatment technique failure

When: May 4, 2022 – September 21, 2022Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 2Resolved

Exceeded the Maximum Contaminant Level (running average)

When: April 1, 2022 – June 30, 2022Rule: Stage 2 DBPREnforcement: Formal — state order issued
TIER 2Resolved

Exceeded the Maximum Contaminant Level (running average)

When: January 1, 2022 – March 31, 2022Rule: Stage 2 DBPREnforcement: Formal — state order issued
TIER 3Resolved

Disinfection byproduct treatment technique failure

When: October 14, 2021 – June 28, 2023Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 2Resolved

Exceeded the Maximum Contaminant Level (running average)

When: October 1, 2021 – December 31, 2021Rule: Stage 2 DBPREnforcement: Formal — state order issued
TIER 2Resolved

Violation related to Consumer Confidence Report

When: September 6, 2021 – April 5, 2024Rule: Consumer Confidence RuleEnforcement: Resolving — corrective action underway
TIER 2Resolved

Exceeded the Maximum Contaminant Level (running average)

When: July 1, 2021 – September 30, 2021Rule: Stage 2 DBPREnforcement: 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 LAKE ST JOHN WATERWORKS DISTRICT 1

Is LAKE ST JOHN WATERWORKS DISTRICT 1 water safe to drink?

LAKE ST JOHN WATERWORKS DISTRICT 1 water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 122 violation(s) are on record. Customers may want to consider using a water filter.

What contaminants has LAKE ST JOHN WATERWORKS DISTRICT 1 detected?

1 contaminants were tested in LAKE ST JOHN WATERWORKS DISTRICT 1's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.

Does LAKE ST JOHN WATERWORKS DISTRICT 1 have any EPA violations?

Yes, LAKE ST JOHN WATERWORKS DISTRICT 1 has 122 EPA violation(s) on record, with the most recent in 2023. Violation types include MCL, Other, TT. 104 are health-based violations.

How many people does LAKE ST JOHN WATERWORKS DISTRICT 1 serve?

LAKE ST JOHN WATERWORKS DISTRICT 1 serves approximately 2,067 people, Louisiana.

What type of water does LAKE ST JOHN WATERWORKS DISTRICT 1 provide?

LAKE ST JOHN WATERWORKS DISTRICT 1 sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is LA1029006.

How does LAKE ST JOHN WATERWORKS DISTRICT 1 compare to other utilities in Louisiana?

LAKE ST JOHN WATERWORKS DISTRICT 1 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.