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WESTLAKE CITY OF WATER SYSTEM

Louisiana — Community Water System — PWSID: LA1019054

System Information

PWSIDLA1019054
System NameWESTLAKE CITY OF WATER SYSTEM
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region06
Serves SchoolNo
WholesalerYes
First ReportedMar 6, 1980
Last ReportedNov 14, 2025

Location & Contact

StateLouisiana
CityWESTLAKE
ZIP Code70669
AddressCITY OF WESTLAKE WATER SYSTEM
OrganizationMCMILLIN, HAL
Phone337-433-0691

Population & Service

Population Served4,858
Service Connections2,029

Drinking Water Violations (55)

This water system has 55 violations recorded in the EPA SDWIS database.

Begin Date End Date Contaminant Category Health-Based Major Measured Federal MCL State MCL Status Return to Compliance Rule
Dec 18, 2024 — Lead and Copper Rule MR No No — TT — Unaddressed — Lead and Copper Rule
Dec 5, 2023 — Groundwater Rule TT Yes No — — — Unaddressed — Ground Water Rule
Dec 5, 2023 — Groundwater Rule TT Yes No — — — Unaddressed — Ground Water Rule
Dec 5, 2023 — Groundwater Rule TT Yes No — — — Unaddressed — Ground Water Rule
Dec 5, 2023 — Groundwater Rule TT Yes No — — — Unaddressed — Ground Water Rule
Dec 5, 2023 — Groundwater Rule TT Yes No — — — Unaddressed — Ground Water Rule
Dec 5, 2023 — Groundwater Rule TT Yes No — — — Unaddressed — Ground Water Rule
Dec 5, 2023 — Groundwater Rule TT Yes No — — — Unaddressed — Ground Water Rule
Dec 5, 2023 — Groundwater Rule TT Yes No — — — Unaddressed — Ground Water Rule
Dec 5, 2023 — Groundwater Rule TT Yes No — — — Unaddressed — Ground Water Rule
Dec 5, 2023 — Groundwater Rule TT Yes No — — — Unaddressed — Ground Water Rule
Dec 5, 2023 — Groundwater Rule TT Yes No — — — Unaddressed — Ground Water Rule
Dec 5, 2023 — Groundwater Rule TT Yes No — — — Unaddressed — Ground Water Rule
Jul 1, 2022 — Consumer Confidence Rule Other No No — — — Resolved Jan 12, 2023 Consumer Confidence Rule
Jul 1, 2022 — Consumer Confidence Rule Other No No — — — Resolved Jan 12, 2023 Consumer Confidence Rule
Oct 1, 2017 — Consumer Confidence Rule Other No No — — — Resolved Dec 12, 2017 Consumer Confidence Rule
Oct 1, 2017 — Consumer Confidence Rule Other No No — — — Resolved Dec 12, 2017 Consumer Confidence Rule
Jan 11, 2015 — Public Notice Other No No — — — Resolved Jun 5, 2015 Public Notice Rule and Revised PN Rule
Jan 11, 2015 — Public Notice Other No No — — — Resolved Jun 5, 2015 Public Notice Rule and Revised PN Rule
Sep 1, 2013 Aug 31, 2014 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2014 Stage 1 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2013 Aug 31, 2014 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2014 Stage 1 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2013 Aug 31, 2014 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2014 Stage 1 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2013 Aug 31, 2014 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2014 Stage 1 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2013 Aug 31, 2014 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2014 Stage 1 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2013 Aug 31, 2014 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2014 Stage 1 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2013 Aug 31, 2014 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2014 Stage 1 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2013 Aug 31, 2014 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2014 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2013 Aug 31, 2013 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2013 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2013 Aug 31, 2013 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2013 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2013 Aug 31, 2013 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2013 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2013 Aug 31, 2013 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2013 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2013 Aug 31, 2013 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2013 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2013 Aug 31, 2013 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2013 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2013 Aug 31, 2013 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2013 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2013 Aug 31, 2013 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2013 Stage 1 Disinfectants and Disinfection Byproducts Rule
Feb 1, 2012 Feb 29, 2012 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Feb 29, 2012 Total Coliform Rule
Feb 1, 2012 Feb 29, 2012 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Feb 29, 2012 Total Coliform Rule
Feb 1, 2012 Feb 29, 2012 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Feb 29, 2012 Total Coliform Rule
Feb 1, 2012 Feb 29, 2012 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Feb 29, 2012 Total Coliform Rule
Sep 1, 2011 Sep 30, 2011 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 2011 Total Coliform Rule
Sep 1, 2011 Sep 30, 2011 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 2011 Total Coliform Rule
Sep 1, 2011 Sep 30, 2011 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 2011 Total Coliform Rule
Sep 1, 2011 Sep 30, 2011 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 2011 Total Coliform Rule
Nov 1, 2007 Nov 30, 2007 Coliform (TCR) MCL Yes No — 5% of samples — Archived Nov 30, 2007 Total Coliform Rule
Nov 1, 2007 Nov 30, 2007 Coliform (TCR) MCL Yes No — 5% of samples — Archived Nov 30, 2007 Total Coliform Rule
Oct 1, 2007 Oct 31, 2007 Coliform (TCR) MCL Yes No — 5% of samples — Archived Oct 31, 2007 Total Coliform Rule
Oct 1, 2007 Oct 31, 2007 Coliform (TCR) MCL Yes No — 5% of samples — Archived Oct 31, 2007 Total Coliform Rule
Sep 1, 2007 Sep 30, 2007 Coliform (TCR) MCL Yes No — 5% of samples — Archived Sep 30, 2007 Total Coliform Rule
Jul 1, 2006 — Consumer Confidence Rule Other No No — — — Resolved Dec 22, 2006 Consumer Confidence Rule
Jun 15, 2001 Jul 14, 2001 Coliform (TCR) MCL Yes No — 5% of samples — Archived Jul 14, 2001 Total Coliform Rule

About This Water System

Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.

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