Is CALCASIEU PARISH WW DISTRICT NO 4 required to publish a Consumer Confidence Report?

Yes. CALCASIEU PARISH WW DISTRICT NO 4 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 CALCASIEU PARISH WW DISTRICT NO 4’s next Consumer Confidence Report due?

CALCASIEU PARISH WW DISTRICT NO 4’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

CALCASIEU PARISH WW DISTRICT NO 4 Water System

Consumer Confidence Report status

CALCASIEU PARISH WW DISTRICT NO 4 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 5 open health-based violations for CALCASIEU PARISH WW DISTRICT NO 4, alongside 2 other open items.

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): LA1019053
System type: Community Water System
Population served: 5,340
Service connections: 1,780
Ownership: local government
Water source: groundwater (wells)

CALCASIEU PARISH WW DISTRICT NO 4 is one of 180 community water systems in Louisiana in the 3,301 to 10,000 people size category, serving 5,340 people from groundwater.

As of August 1, 2026, its federal record holds 13 entries between 2004 and 2025, of which 5 health-based items remain open, alongside 2 other open entries.

Of the 13, 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 Groundwater Rule, the Lead and Copper Rule, and the Total Coliform Rules.

Violation history

Public Notification Violation for NPDWR Violation
—
Public Notice
December 6, 2025
Unaddressed
Failure To Address Deficiency
Health-based
Groundwater Rule
October 28, 2025
Unaddressed
Failure To Address Deficiency
Health-based
Groundwater Rule
October 28, 2025
Unaddressed
Failure To Address Deficiency
Health-based
Groundwater Rule
October 28, 2025
Unaddressed
Failure To Address Deficiency
Health-based
Groundwater Rule
October 28, 2025
Unaddressed
LSL Reporting
—
LEAD AND COPPER RULE REVISIONS
October 17, 2024
Unaddressed
LSL Inventory
Health-based
LEAD AND COPPER RULE REVISIONS
October 17, 2024
Unaddressed
Public Notification Violation for NPDWR Violation
—
Public Notice
August 11, 2023 – December 6, 2023
Resolved
Failure To Address Deficiency
Health-based
Groundwater Rule
July 3, 2023 – December 6, 2023
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
January 12, 2019 – September 11, 2019
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
May 1, 2006 – May 31, 2006
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
April 1, 2005 – April 30, 2005
Resolved
Maximum Contaminant Level Violation, Acute (TCR)
Health-based
Coliform (TCR)
November 1, 2004 – November 30, 2004
Archived

Unaddressed no corrective action on record yetResolved 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 6, 2025	Public Notification Violation for NPDWR Violation	Public Notice	—	Unaddressed
October 28, 2025	Failure To Address Deficiency	Groundwater Rule	Health-based	Unaddressed
October 28, 2025	Failure To Address Deficiency	Groundwater Rule	Health-based	Unaddressed
October 28, 2025	Failure To Address Deficiency	Groundwater Rule	Health-based	Unaddressed
October 28, 2025	Failure To Address Deficiency	Groundwater Rule	Health-based	Unaddressed
October 17, 2024	LSL Reporting	LEAD AND COPPER RULE REVISIONS	—	Unaddressed
October 17, 2024	LSL Inventory	LEAD AND COPPER RULE REVISIONS	Health-based	Unaddressed
August 11, 2023 – December 6, 2023	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
July 3, 2023 – December 6, 2023	Failure To Address Deficiency	Groundwater Rule	Health-based	Resolved
January 12, 2019 – September 11, 2019	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
May 1, 2006 – May 31, 2006	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
April 1, 2005 – April 30, 2005	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
November 1, 2004 – November 30, 2004	Maximum Contaminant Level Violation, Acute (TCR)	Coliform (TCR)	Health-based	Archived

Unaddressed no corrective action on record yetResolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

October 31, 2025State Public Notification requested6 linked violations
December 14, 2023State Public Notification received1 linked violation
December 6, 2023State Compliance achieved1 linked violation
December 6, 2023State Compliance achieved1 linked violation
November 8, 2023State Violation/Reminder Notice1 linked violation
July 6, 2023State Public Notification requested2 linked violations
March 6, 2019State Violation/Reminder Notice4 linked violations
June 2, 2005State Public Notification received7 linked violations
June 2, 2005State Compliance achieved5 linked violations
May 3, 2005State Public Notification requested7 linked violations

Common questions

Is CALCASIEU PARISH WW DISTRICT NO 4 required to publish a Consumer Confidence Report?: Yes. CALCASIEU PARISH WW DISTRICT NO 4 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 CALCASIEU PARISH WW DISTRICT NO 4’s next Consumer Confidence Report due?: CALCASIEU PARISH WW DISTRICT NO 4’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does CALCASIEU PARISH WW DISTRICT NO 4 have any open drinking water violations on record?: As of August 1, 2026, EPA's federal records show 5 open health-based violations for CALCASIEU PARISH WW DISTRICT NO 4, alongside 2 other open items.
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

WELSH, KENNY

337-433-8353

WESTLAKE, LA 70669