Is WESTLAKE CITY OF WATER SYSTEM required to publish a Consumer Confidence Report?

Yes. WESTLAKE CITY OF WATER SYSTEM is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.

When is WESTLAKE CITY OF WATER SYSTEM’s next Consumer Confidence Report due?

WESTLAKE CITY OF WATER SYSTEM’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

What is a Consumer Confidence Report?

A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.

WESTLAKE, LA · Calcasieu Parish County

WESTLAKE CITY OF WATER SYSTEM Water System

Consumer Confidence Report status

WESTLAKE CITY OF WATER SYSTEM must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.

As of August 1, 2026, EPA's federal records show no open violations for WESTLAKE CITY OF WATER SYSTEM.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace Louisiana’s official records. Always confirm current status with Louisiana before making decisions based on this information.

System facts

System ID (PWSID): LA1019054
System type: Community Water System
Population served: 4,858
Service connections: 2,029
Ownership: local government
Water source: groundwater (wells)

WESTLAKE CITY OF WATER SYSTEM is one of 180 community water systems in Louisiana in the 3,301 to 10,000 people size category, serving 4,858 people from groundwater.

As of August 1, 2026, its federal record holds 10 entries between 1995 and 2023, all of which EPA lists as closed. Nothing has been added since 2023.

Of the 10, 2 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves the Total Coliform Rules, the Groundwater Rule, and the Stage 1 Disinfectants and Disinfection Byproducts Rule.

Violation history

Failure To Address Deficiency
Health-based
Groundwater Rule
December 5, 2023 – October 25, 2024
Resolved
Failure To Address Deficiency
Health-based
Groundwater Rule
December 5, 2023 – October 25, 2024
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
September 1, 2013 – August 31, 2014
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2013 – August 31, 2013
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
September 1, 2011 – September 30, 2011
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
November 1, 2007 – November 30, 2007
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
October 1, 2007 – October 31, 2007
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
September 1, 2007 – September 30, 2007
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
June 15, 2001 – July 14, 2001
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
July 15, 1995 – August 15, 1995
Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Period	Violation	Contaminant / rule	Health-based	Status
December 5, 2023 – October 25, 2024	Failure To Address Deficiency	Groundwater Rule	Health-based	Resolved
December 5, 2023 – October 25, 2024	Failure To Address Deficiency	Groundwater Rule	Health-based	Resolved
September 1, 2013 – August 31, 2014	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2013 – August 31, 2013	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
September 1, 2011 – September 30, 2011	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
November 1, 2007 – November 30, 2007	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
October 1, 2007 – October 31, 2007	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
September 1, 2007 – September 30, 2007	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
June 15, 2001 – July 14, 2001	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
July 15, 1995 – August 15, 1995	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

July 22, 2025State Violation/Reminder Notice1 linked violation
October 25, 2024State Compliance achieved3 linked violations
January 12, 2023State Compliance achieved2 linked violations
December 12, 2017State Compliance achieved2 linked violations
August 14, 2017State Compliance achieved6 linked violations
August 14, 2017State Compliance achieved3 linked violations
June 15, 2015State Public Notification received4 linked violations
May 29, 2015State Violation/Reminder Notice2 linked violations
November 26, 2014State Public Notification requested2 linked violations
November 26, 2014State Violation/Reminder Notice2 linked violations
February 17, 2014State Public Notification received2 linked violations
December 18, 2013State Public Notification requested3 linked violations
December 18, 2013State Violation/Reminder Notice2 linked violations
March 26, 2012State Violation/Reminder Notice1 linked violation
March 26, 2012State Public Notification requested2 linked violations
March 8, 2012State Compliance achieved1 linked violation
March 8, 2012State Public Notification received1 linked violation
November 23, 2011State Compliance achieved1 linked violation
October 10, 2011State Violation/Reminder Notice2 linked violations
October 8, 2008Federal Final Administrative Order issuedgeneral compliance action — not tied to a specific violation on record
January 31, 2008State Public Notification requested1 linked violation
January 31, 2008State Violation/Reminder Notice1 linked violation
January 29, 2008State Public Notification requested1 linked violation
January 29, 2008State Violation/Reminder Notice1 linked violation

Common questions

Is WESTLAKE CITY OF WATER SYSTEM required to publish a Consumer Confidence Report?: Yes. WESTLAKE CITY OF WATER SYSTEM is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is WESTLAKE CITY OF WATER SYSTEM’s next Consumer Confidence Report due?: WESTLAKE CITY OF WATER SYSTEM’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does WESTLAKE CITY OF WATER SYSTEM have any open drinking water violations on record?: As of August 1, 2026, EPA's federal records show no open violations for WESTLAKE CITY OF WATER SYSTEM.
What is a Consumer Confidence Report?: A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.

Contact

MCMILLIN, HAL

337-433-0691

WESTLAKE, LA 70669