Is ST MARYS WATER SYSTEM required to publish a Consumer Confidence Report?

Yes. ST MARYS 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 ST MARYS WATER SYSTEM’s next Consumer Confidence Report due?

ST MARYS 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.

PLAIN DEALING, LA · Bossier Parish County

ST MARYS WATER SYSTEM Water System

Consumer Confidence Report status

ST MARYS 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 8 open health-based violations for ST MARYS WATER SYSTEM, 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): LA1015023
System type: Community Water System
Population served: 294
Service connections: 98
Ownership: privately owned
Water source: groundwater (wells)

ST MARYS WATER SYSTEM is one of 1,402 community water systems in Louisiana in the 500 or fewer people size category, serving 294 people from groundwater.

As of August 1, 2026, its federal record holds 46 entries between 2001 and 2025, of which 8 health-based items remain open, alongside 2 other open entries.

Of the 46, 17 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 Stage 2 Disinfectants and Disinfection Byproducts Rule, the Groundwater Rule, and the Total Coliform Rules.

Violation history

Public Notification Violation for NPDWR Violation
—
Public Notice
April 29, 2025 – August 26, 2025
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2025 – March 31, 2025
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
December 20, 2024 – October 14, 2025
Resolved
LSL Inventory
Health-based
LEAD AND COPPER RULE REVISIONS
October 17, 2024
Addressed
LSL Reporting
—
LEAD AND COPPER RULE REVISIONS
October 17, 2024
Addressed
Public Notification Violation for NPDWR Violation
—
Public Notice
May 4, 2023 – October 29, 2025
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
April 21, 2023
Addressed
Failure To Address Deficiency
Health-based
Groundwater Rule
March 23, 2023
Addressed
Failure To Address Deficiency
Health-based
Groundwater Rule
March 23, 2023
Unaddressed
Failure To Address Deficiency
Health-based
Groundwater Rule
March 23, 2023
Unaddressed
Failure To Address Deficiency
Health-based
Groundwater Rule
March 23, 2023
Unaddressed
Failure To Address Deficiency
Health-based
Groundwater Rule
March 23, 2023
Addressed
Failure To Address Deficiency
Health-based
Groundwater Rule
March 23, 2023
Addressed
Treatment Technique, Level 1 Assessment (RTCR)
Health-based
Revised Total Coliform Rule
March 14, 2023
Addressed
Lead Consumer Notice
—
Lead and Copper Rule
April 5, 2022 – October 14, 2025
Resolved
Failure To Address Deficiency
Health-based
Groundwater Rule
March 1, 2021 – April 9, 2021
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2019 – December 31, 2019
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2019 – September 30, 2019
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2019 – June 30, 2019
Resolved
Failure To Address Deficiency
Health-based
Groundwater Rule
January 2, 2019 – April 1, 2019
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2019 – March 31, 2019
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
October 16, 2018 – June 3, 2020
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2018 – September 30, 2018
Resolved
Failure Submit IDSE/Subpart V Plan Rpt
—
TTHM
May 1, 2017 – October 28, 2022
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2016 – March 31, 2016
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2015 – December 31, 2015
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2015 – January 27, 2016
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2015 – September 30, 2015
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2015 – November 18, 2015
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2015 – June 30, 2015
Resolved
Failure Submit IDSE/Subpart V Plan Rpt
—
TTHM
January 31, 2015 – October 28, 2022
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
December 1, 2014 – February 28, 2015
Resolved
Monitoring and Reporting (DBP)
—
TTHM
December 1, 2014 – February 28, 2015
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2014 – September 30, 2014
Resolved
Failure Submit IDSE/Subpart V Plan Rpt
—
Total Haloacetic Acids (HAA5)
May 1, 2014 – October 28, 2022
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
September 1, 2013 – November 30, 2013
Resolved
Monitoring and Reporting (DBP)
—
TTHM
September 1, 2013 – November 30, 2013
Resolved
Monitoring and Reporting (DBP)
—
TTHM
July 1, 2013 – August 31, 2013
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
July 1, 2013 – August 31, 2013
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
February 1, 2013 – February 28, 2013
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
January 1, 2013 – January 31, 2013
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
November 1, 2012 – November 30, 2012
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
September 1, 2012 – September 30, 2012
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
August 1, 2012 – August 31, 2012
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
October 1, 2009 – October 31, 2009
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2001 – November 20, 2002
Resolved

Resolved addressed and confirmed by the stateAddressed corrective action reported, pending final confirmationUnaddressed no corrective action on record yet

Period	Violation	Contaminant / rule	Health-based	Status
April 29, 2025 – August 26, 2025	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 1, 2025 – March 31, 2025	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
December 20, 2024 – October 14, 2025	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
October 17, 2024	LSL Inventory	LEAD AND COPPER RULE REVISIONS	Health-based	Addressed
October 17, 2024	LSL Reporting	LEAD AND COPPER RULE REVISIONS	—	Addressed
May 4, 2023 – October 29, 2025	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
April 21, 2023	Public Notification Violation for NPDWR Violation	Public Notice	—	Addressed
March 23, 2023	Failure To Address Deficiency	Groundwater Rule	Health-based	Addressed
March 23, 2023	Failure To Address Deficiency	Groundwater Rule	Health-based	Unaddressed
March 23, 2023	Failure To Address Deficiency	Groundwater Rule	Health-based	Unaddressed
March 23, 2023	Failure To Address Deficiency	Groundwater Rule	Health-based	Unaddressed
March 23, 2023	Failure To Address Deficiency	Groundwater Rule	Health-based	Addressed
March 23, 2023	Failure To Address Deficiency	Groundwater Rule	Health-based	Addressed
March 14, 2023	Treatment Technique, Level 1 Assessment (RTCR)	Revised Total Coliform Rule	Health-based	Addressed
April 5, 2022 – October 14, 2025	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
March 1, 2021 – April 9, 2021	Failure To Address Deficiency	Groundwater Rule	Health-based	Resolved
October 1, 2019 – December 31, 2019	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
July 1, 2019 – September 30, 2019	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
April 1, 2019 – June 30, 2019	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
January 2, 2019 – April 1, 2019	Failure To Address Deficiency	Groundwater Rule	Health-based	Resolved
January 1, 2019 – March 31, 2019	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
October 16, 2018 – June 3, 2020	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
July 1, 2018 – September 30, 2018	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
May 1, 2017 – October 28, 2022	Failure Submit IDSE/Subpart V Plan Rpt	TTHM	—	Resolved
January 1, 2016 – March 31, 2016	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
October 1, 2015 – December 31, 2015	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
October 1, 2015 – January 27, 2016	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
July 1, 2015 – September 30, 2015	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
July 1, 2015 – November 18, 2015	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
April 1, 2015 – June 30, 2015	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
January 31, 2015 – October 28, 2022	Failure Submit IDSE/Subpart V Plan Rpt	TTHM	—	Resolved
December 1, 2014 – February 28, 2015	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
December 1, 2014 – February 28, 2015	Monitoring and Reporting (DBP)	TTHM	—	Resolved
July 1, 2014 – September 30, 2014	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
May 1, 2014 – October 28, 2022	Failure Submit IDSE/Subpart V Plan Rpt	Total Haloacetic Acids (HAA5)	—	Resolved
September 1, 2013 – November 30, 2013	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
September 1, 2013 – November 30, 2013	Monitoring and Reporting (DBP)	TTHM	—	Resolved
July 1, 2013 – August 31, 2013	Monitoring and Reporting (DBP)	TTHM	—	Resolved
July 1, 2013 – August 31, 2013	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
February 1, 2013 – February 28, 2013	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2013 – January 31, 2013	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
November 1, 2012 – November 30, 2012	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
September 1, 2012 – September 30, 2012	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
August 1, 2012 – August 31, 2012	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
October 1, 2009 – October 31, 2009	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
July 1, 2001 – November 20, 2002	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved

Resolved addressed and confirmed by the stateAddressed corrective action reported, pending final confirmationUnaddressed no corrective action on record yet

Enforcement actions

January 20, 2026State Site Visit for enforcement purposesgeneral compliance action — not tied to a specific violation on record
January 12, 2026State Site Visit for enforcement purposesgeneral compliance action — not tied to a specific violation on record
December 12, 2025State Site Visit for enforcement purposes1 linked violation
November 14, 2025State Site Visit for enforcement purposesgeneral compliance action — not tied to a specific violation on record
November 13, 2025State Public Notification received6 linked violations
November 10, 2025State Site Visit for enforcement purposes3 linked violations
October 30, 2025State Site Visit for enforcement purposesgeneral compliance action — not tied to a specific violation on record
October 29, 2025State Compliance achieved1 linked violation
October 14, 2025State Compliance achieved1 linked violation
October 14, 2025State Compliance achieved1 linked violation
October 3, 2025State Administrative/Compliance Order without penalty issued8 linked violations
September 8, 2025State Public Notification received1 linked violation
August 26, 2025State Compliance achieved1 linked violation
August 1, 2025State Compliance achieved1 linked violation
July 22, 2025State Violation/Reminder Notice1 linked violation
March 24, 2025State Violation/Reminder Notice1 linked violation
March 24, 2025State Public Notification requested1 linked violation
August 16, 2023State Violation/Reminder Notice1 linked violation
March 29, 2023State Violation/Reminder Notice6 linked violations
March 29, 2023State Public Notification requested6 linked violations
March 16, 2023State Public Notification requested1 linked violation
March 16, 2023State Violation/Reminder Notice1 linked violation
October 28, 2022State Compliance achieved13 linked violations
June 27, 2022State Violation/Reminder Notice1 linked violation
November 4, 2021State Site Visit for enforcement purposes10 linked violations
November 2, 2021State Site Visit for enforcement purposes10 linked violations
August 12, 2021State Public Notification received3 linked violations
April 9, 2021State Compliance achieved1 linked violation
April 9, 2021State Compliance achieved1 linked violation
March 5, 2021State Violation/Reminder Notice1 linked violation
March 5, 2021State Public Notification requested1 linked violation
October 28, 2020State Site Visit for enforcement purposes10 linked violations
August 11, 2020State Administrative/Compliance Order without penalty issued11 linked violations
July 6, 2020State Public Notification received1 linked violation
June 3, 2020State Compliance achieved1 linked violation
April 1, 2020State Compliance achieved1 linked violation
February 11, 2020State Compliance achieved9 linked violations
February 6, 2020State Public Notification received1 linked violation
December 17, 2019State Public Notification requested1 linked violation
December 17, 2019State Violation/Reminder Notice1 linked violation
October 2, 2019State Public Notification received1 linked violation
September 4, 2019State Public Notification requested1 linked violation
September 4, 2019State Violation/Reminder Notice1 linked violation
August 19, 2019State Public Notification received1 linked violation
June 24, 2019State Public Notification requested1 linked violation
June 24, 2019State Violation/Reminder Notice2 linked violations
May 6, 2019State Public Notification received1 linked violation
April 1, 2019State Compliance achieved1 linked violation
April 1, 2019State Compliance achieved2 linked violations
March 26, 2019State Violation/Reminder Notice2 linked violations
February 22, 2019State Public Notification requested2 linked violations
February 22, 2019State Violation/Reminder Notice1 linked violation
September 10, 2018State Public Notification requested2 linked violations
August 24, 2016State Site Visit for enforcement purposes3 linked violations
August 8, 2016State Compliance achieved1 linked violation
May 19, 2016State Administrative/Compliance Order without penalty issued12 linked violations
May 10, 2016State Compliance achieved6 linked violations
April 28, 2016State Public Notification requested2 linked violations
February 12, 2016State Public Notification requested2 linked violations
November 18, 2015State Compliance achieved1 linked violation
November 3, 2015State Violation/Reminder Notice2 linked violations
November 3, 2015State Violation/Reminder Notice2 linked violations
November 3, 2015State Public Notification requested1 linked violation
September 16, 2015State Public Notification received2 linked violations
August 3, 2015State Violation/Reminder Notice2 linked violations
August 3, 2015State Public Notification requested2 linked violations
June 18, 2015State Public Notification received2 linked violations
April 21, 2015State Public Notification requested2 linked violations
February 19, 2015State Violation/Reminder Notice2 linked violations
November 14, 2014State Public Notification received2 linked violations
October 14, 2014State Violation/Reminder Notice2 linked violations
March 31, 2014State Compliance achieved8 linked violations
March 10, 2014State Public Notification received3 linked violations
February 25, 2014State Public Notification received3 linked violations
February 6, 2014State Public Notification requested3 linked violations
February 6, 2014State Violation/Reminder Notice3 linked violations
December 18, 2013State Public Notification requested4 linked violations
April 2, 2013State Public Notification received2 linked violations
March 7, 2013State Violation/Reminder Notice2 linked violations
February 8, 2013State Public Notification requested2 linked violations
January 9, 2013State Violation/Reminder Notice1 linked violation
January 9, 2013State Public Notification requested1 linked violation
December 11, 2012State Public Notification requested1 linked violation
December 11, 2012State Violation/Reminder Notice1 linked violation
October 30, 2012State Public Notification received2 linked violations
October 10, 2012State Violation/Reminder Notice2 linked violations
November 6, 2002State Violation/Reminder Notice2 linked violations

Common questions

Is ST MARYS WATER SYSTEM required to publish a Consumer Confidence Report?: Yes. ST MARYS 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 ST MARYS WATER SYSTEM’s next Consumer Confidence Report due?: ST MARYS WATER SYSTEM’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does ST MARYS WATER SYSTEM have any open drinking water violations on record?: As of August 1, 2026, EPA's federal records show 8 open health-based violations for ST MARYS WATER SYSTEM, 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

HAYS, DENNIS

318-326-5808

PLAIN DEALING, LA 71064