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MARATHON PETROLEUM COMPANY LLC

Louisiana — Non-Transient Non-Community — PWSID: LA2095008

System Information

PWSIDLA2095008
System NameMARATHON PETROLEUM COMPANY LLC
System TypeNon-Transient Non-Community
Water SourceSurface Water
Activity StatusActive
Owner TypePrivate
EPA Region06
Serves SchoolNo
WholesalerNo
First ReportedMar 6, 1980
Last ReportedNov 14, 2025

Location & Contact

StateLouisiana
CityGARYVILLE
ZIP Code70051
AddressMarathon Petroleum Company
OrganizationRICHERT, JAY M
Phone985-535-7110

Population & Service

Population Served817
Service Connections1

Drinking Water Violations (66)

This water system has 66 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
Oct 1, 2024 Dec 31, 2024 TTHM MCL Yes No .082 MG/L 0.080 mg/L .08 Archived Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2024 Dec 31, 2024 TTHM MCL Yes No .082 MG/L 0.080 mg/L .08 Archived Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2024 Dec 31, 2024 TTHM MCL Yes No .082 MG/L 0.080 mg/L .08 Archived Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2024 Aug 31, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Aug 31, 2024 Revised Total Coliform Rule
Aug 1, 2024 Aug 31, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Aug 31, 2024 Revised Total Coliform Rule
Aug 1, 2024 Aug 31, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Aug 31, 2024 Revised Total Coliform Rule
Aug 1, 2024 Aug 31, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Aug 31, 2024 Revised Total Coliform Rule
Aug 1, 2024 Aug 31, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Aug 31, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2024 Aug 31, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Aug 31, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2024 Aug 31, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Aug 31, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2024 Aug 31, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Aug 31, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2024 Sep 30, 2024 TTHM MCL Yes No .084 MG/L 0.080 mg/L .08 Archived Sep 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2024 Sep 30, 2024 TTHM MCL Yes No .084 MG/L 0.080 mg/L .08 Archived Sep 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2024 Sep 30, 2024 TTHM MCL Yes No .084 MG/L 0.080 mg/L .08 Archived Sep 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2015 Sep 30, 2015 TTHM MCL Yes No 83 UG/L 0.080 mg/L 80 Resolved Sep 30, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2015 Sep 30, 2015 TTHM MCL Yes No 83 UG/L 0.080 mg/L 80 Resolved Sep 30, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2015 Sep 30, 2015 TTHM MCL Yes No 83 UG/L 0.080 mg/L 80 Resolved Sep 30, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2015 Sep 30, 2015 TTHM MCL Yes No 83 UG/L 0.080 mg/L 80 Resolved Sep 30, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2015 Jun 30, 2015 TTHM MCL Yes No 82 UG/L 0.080 mg/L 80 Resolved Jun 30, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2015 Jun 30, 2015 TTHM MCL Yes No 82 UG/L 0.080 mg/L 80 Resolved Jun 30, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2015 Jun 30, 2015 TTHM MCL Yes No 82 UG/L 0.080 mg/L 80 Resolved Jun 30, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2015 Jun 30, 2015 TTHM MCL Yes No 82 UG/L 0.080 mg/L 80 Resolved Jun 30, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2015 Mar 31, 2015 TTHM MCL Yes No 94 UG/L 0.080 mg/L 80 Resolved Mar 31, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2015 Mar 31, 2015 TTHM MCL Yes No 94 UG/L 0.080 mg/L 80 Resolved Mar 31, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2015 Mar 31, 2015 TTHM MCL Yes No 94 UG/L 0.080 mg/L 80 Resolved Mar 31, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2015 Mar 31, 2015 TTHM MCL Yes No 94 UG/L 0.080 mg/L 80 Resolved Mar 31, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2014 Dec 31, 2014 TTHM MCL Yes No 108 UG/L 0.080 mg/L 80 Resolved Dec 31, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2014 Dec 31, 2014 TTHM MCL Yes No 108 UG/L 0.080 mg/L 80 Resolved Dec 31, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2014 Dec 31, 2014 TTHM MCL Yes No 108 UG/L 0.080 mg/L 80 Resolved Dec 31, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2014 Dec 31, 2014 TTHM MCL Yes No 108 UG/L 0.080 mg/L 80 Resolved Dec 31, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2014 Sep 30, 2014 TTHM MCL Yes No 91 UG/L 0.080 mg/L 80 Resolved Sep 30, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2014 Sep 30, 2014 TTHM MCL Yes No 91 UG/L 0.080 mg/L 80 Resolved Sep 30, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2014 Sep 30, 2014 TTHM MCL Yes No 91 UG/L 0.080 mg/L 80 Resolved Sep 30, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2014 Sep 30, 2014 TTHM MCL Yes No 91 UG/L 0.080 mg/L 80 Resolved Sep 30, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2014 Jul 31, 2014 Coliform (TCR) MR No No — 5% of samples — Resolved Jul 31, 2014 Total Coliform Rule
Jul 1, 2014 Jul 31, 2014 Coliform (TCR) MR No No — 5% of samples — Resolved Jul 31, 2014 Total Coliform Rule
Jul 1, 2014 Jul 31, 2014 Coliform (TCR) MR No No — 5% of samples — Resolved Jul 31, 2014 Total Coliform Rule
Jul 1, 2014 Jul 31, 2014 Coliform (TCR) MR No No — 5% of samples — Resolved Jul 31, 2014 Total Coliform Rule
Apr 1, 2014 Jun 30, 2014 TTHM MCL Yes No 88 UG/L 0.080 mg/L 80 Resolved Jun 30, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2014 Jun 30, 2014 TTHM MCL Yes No 88 UG/L 0.080 mg/L 80 Resolved Jun 30, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2014 Jun 30, 2014 TTHM MCL Yes No 88 UG/L 0.080 mg/L 80 Resolved Jun 30, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2014 Jun 30, 2014 TTHM MCL Yes No 88 UG/L 0.080 mg/L 80 Resolved Jun 30, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Mar 1, 2007 Mar 31, 2007 Surface Water Treatment Rule TT Yes No — — — Resolved Mar 31, 2007 Surface Water Treatment Rule
Mar 1, 2007 Mar 31, 2007 Surface Water Treatment Rule TT Yes No — — — Resolved Mar 31, 2007 Surface Water Treatment Rule
Mar 1, 2007 Mar 31, 2007 Surface Water Treatment Rule TT Yes No — — — Resolved Mar 31, 2007 Surface Water Treatment Rule
Mar 1, 2007 Mar 31, 2007 Surface Water Treatment Rule TT Yes No — — — Resolved Mar 31, 2007 Surface Water Treatment Rule
Mar 1, 2007 Mar 31, 2007 Surface Water Treatment Rule TT Yes No — — — Resolved Mar 31, 2007 Surface Water Treatment Rule
Jan 1, 2007 Jan 31, 2007 Surface Water Treatment Rule TT Yes No — — — Resolved Jan 31, 2007 Surface Water Treatment Rule
Jan 1, 2007 Jan 31, 2007 Surface Water Treatment Rule TT Yes No — — — Resolved Jan 31, 2007 Surface Water Treatment Rule
Jan 1, 2007 Jan 31, 2007 Surface Water Treatment Rule TT Yes No — — — Resolved Jan 31, 2007 Surface Water Treatment 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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