D33/100
WESTLAKE CITY OF WATER SYSTEM — Water Quality Report 2026
Serving 4,858 people · Louisiana
Water Source
Groundwater
County
—
System ID
LA1019054
Violations
20
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
6
Violations (last 5yr)
5
Unresolved
4
Health-Related
TIER 3Unresolved
Monitoring / Reporting Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: December 18, 2024Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 2Unresolved
Violation related to Consumer Confidence Report
When: December 5, 2023Rule: Consumer Confidence RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 2Unresolved
Violation related to Consumer Confidence Report
When: December 5, 2023Rule: Consumer Confidence RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 2Unresolved
Violation related to Consumer Confidence Report
When: December 5, 2023Rule: Consumer Confidence RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 2Unresolved
Violation related to Consumer Confidence Report
When: December 5, 2023Rule: Consumer Confidence RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2022 – January 12, 2023Enforcement: 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 WESTLAKE CITY OF WATER SYSTEM
Is WESTLAKE CITY OF WATER SYSTEM water safe to drink?
WESTLAKE CITY OF WATER SYSTEM water receives a grade of D (33/100), which is considered poor. 0 contaminant(s) exceed EPA legal limits and 20 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has WESTLAKE CITY OF WATER SYSTEM detected?
31 contaminants were tested in WESTLAKE CITY OF WATER SYSTEM's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does WESTLAKE CITY OF WATER SYSTEM have any EPA violations?
Yes, WESTLAKE CITY OF WATER SYSTEM has 20 EPA violation(s) on record, with the most recent in 2024. Violation types include MR, TT, Other. 11 are health-based violations.
How many people does WESTLAKE CITY OF WATER SYSTEM serve?
WESTLAKE CITY OF WATER SYSTEM serves approximately 4,858 people, Louisiana.
What type of water does WESTLAKE CITY OF WATER SYSTEM provide?
WESTLAKE CITY OF WATER SYSTEM sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is LA1019054.
How does WESTLAKE CITY OF WATER SYSTEM compare to other utilities in Louisiana?
WESTLAKE CITY OF WATER SYSTEM scores 33/100 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.