Drinking Water Compliance OS

WESTLAKE, LA · Calcasieu Parish County

CALCASIEU PARISH WW DISTRICT NO 4 Water System

Current status

6 open health-based violations on record as of July 4, 2026, alongside 2 other open item(s). See the violation history below for contaminant and status details.

This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 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)

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
  • 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

Unaddressed no corrective action on record yetResolved addressed and confirmed by the state

Enforcement actions

Contact

WELSH, KENNY

337-433-8353

WESTLAKE, LA 70669