CHARENTON, LA · St. Mary Parish County
WATER & SEWER COMMISSION 4 OF ST MARY Water System
Consumer Confidence Report status
WATER & SEWER COMMISSION 4 OF ST MARY 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 no open violations for WATER & SEWER COMMISSION 4 OF ST MARY.
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)
- LA1101011
- System type
- Community Water System
- Population served
- 9,709
- Service connections
- 3,011
- Ownership
- local government
- Water source
- surface water (rivers, lakes, or reservoirs)
WATER & SEWER COMMISSION 4 OF ST MARY is one of 180 community water systems in Louisiana in the 3,301 to 10,000 people size category, serving 9,709 people from surface water.
As of August 1, 2026, its federal record holds 5 entries between 1993 and 2025, all of which EPA lists as closed.
None of the 5 are monitoring or reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset; these involve water-quality, treatment, or public-notice findings instead. The record involves the Stage 2 Disinfectants and Disinfection Byproducts Rule, the Total Coliform Rules, and the Surface Water Treatment Rules.
Violation history
Maximum Contaminant Level Violation, Average
Health-basedTotal Haloacetic Acids (HAA5)
January 1, 2025 – March 31, 2025
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTotal Haloacetic Acids (HAA5)
October 1, 2024 – December 31, 2024
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTotal Haloacetic Acids (HAA5)
July 1, 2024 – September 30, 2024
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
June 1, 2004 – June 30, 2004
ResolvedTreatment Technique (SWTR and GWR)
Health-basedSurface Water Treatment Rule
August 1, 1993 – August 31, 1993
Archived
Resolved 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 |
|---|---|---|---|---|
| January 1, 2025 – March 31, 2025 | Maximum Contaminant Level Violation, Average | Total Haloacetic Acids (HAA5) | Health-based | Resolved |
| October 1, 2024 – December 31, 2024 | Maximum Contaminant Level Violation, Average | Total Haloacetic Acids (HAA5) | Health-based | Resolved |
| July 1, 2024 – September 30, 2024 | Maximum Contaminant Level Violation, Average | Total Haloacetic Acids (HAA5) | Health-based | Resolved |
| June 1, 2004 – June 30, 2004 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| August 1, 1993 – August 31, 1993 | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Health-based | Archived |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- April 3, 2025State Compliance achieved5 linked violations
- March 18, 2025State Public Notification received1 linked violation
- January 29, 2025State Violation/Reminder Notice1 linked violation
- January 29, 2025State Public Notification requested1 linked violation
- January 17, 2025State Public Notification received1 linked violation
- December 4, 2024State Public Notification requested1 linked violation
- December 4, 2024State Violation/Reminder Notice1 linked violation
- September 16, 2024State Public Notification received2 linked violations
- August 7, 2024State Public Notification requested2 linked violations
- August 7, 2024State Violation/Reminder Notice2 linked violations
- December 7, 2023State Public Notification received1 linked violation
- October 31, 2023State Public Notification requested1 linked violation
- October 31, 2023State Violation/Reminder Notice1 linked violation
- October 1, 2008State Compliance achieved4 linked violations
- August 28, 2008State Public Notification received1 linked violation
- July 30, 2008State Public Notification requested1 linked violation
- July 30, 2008State Violation/Reminder Notice1 linked violation
- June 30, 2008State Public Notification received2 linked violations
- June 30, 2008State Compliance achieved1 linked violation
- June 5, 2008State Public Notification requested3 linked violations
- February 6, 2008State Public Notification requested3 linked violations
- October 24, 2007State Public Notification requested1 linked violation
- August 16, 2004State Compliance achieved1 linked violation
- July 14, 2004State Compliance achieved2 linked violations
Common questions
Is WATER & SEWER COMMISSION 4 OF ST MARY required to publish a Consumer Confidence Report?
- Yes. WATER & SEWER COMMISSION 4 OF ST MARY 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 WATER & SEWER COMMISSION 4 OF ST MARY’s next Consumer Confidence Report due?
- WATER & SEWER COMMISSION 4 OF ST MARY’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does WATER & SEWER COMMISSION 4 OF ST MARY have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for WATER & SEWER COMMISSION 4 OF ST MARY.
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
MITCHELL, BRIAN
337-923-6986
CHARENTON, LA 70523