ST MARYS WATER SYSTEM
Louisiana - Community Water System - PWSID: LA1015023
System Information
| PWSID | LA1015023 |
| System Name | ST MARYS WATER SYSTEM |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 06 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Dec 2, 1981 |
| Last Reported | Mar 31, 2026 |
Location & Contact
| State | Louisiana |
| City | PLAIN DEALING |
| ZIP Code | 71064 |
| Address | ST. MARY'S COMMUNITY WATER SYSTEM |
| Organization | HAYS, DENNIS |
| Phone | 318-326-5808 |
Population & Service
| Population Served | 294 |
| Service Connections | 98 |
Drinking Water Violations (250)
This water system has 250 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Apr 29, 2025 | - | Other | No | No | - | - | - | Resolved | Aug 26, 2025 | - | |
| Jan 1, 2025 | Mar 31, 2025 | MCL | Yes | No | .081 MG/L | 0.080 mg/L | .08 | Resolved | Mar 31, 2025 | - | |
| Jan 1, 2025 | Mar 31, 2025 | MCL | Yes | No | .081 MG/L | 0.080 mg/L | .08 | Resolved | Mar 31, 2025 | - | |
| Jan 1, 2025 | Mar 31, 2025 | MCL | Yes | No | .081 MG/L | 0.080 mg/L | .08 | Resolved | Mar 31, 2025 | - | |
| Jan 1, 2025 | Mar 31, 2025 | MCL | Yes | No | .081 MG/L | 0.080 mg/L | .08 | Resolved | Mar 31, 2025 | - | |
| Dec 20, 2024 | - | MR | No | No | - | TT | - | Resolved | Oct 14, 2025 | - | |
| Dec 20, 2024 | - | MR | No | No | - | TT | - | Resolved | Oct 14, 2025 | - | |
| Dec 20, 2024 | - | MR | No | No | - | TT | - | Resolved | Oct 14, 2025 | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Unaddressed | - | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Unaddressed | - | - | |
| May 4, 2023 | - | Other | No | No | - | - | - | Resolved | Oct 29, 2025 | - | |
| May 4, 2023 | - | Other | No | No | - | - | - | Resolved | Oct 29, 2025 | - | |
| May 4, 2023 | - | Other | No | No | - | - | - | Resolved | Oct 29, 2025 | - | |
| May 4, 2023 | - | Other | No | No | - | - | - | Resolved | Oct 29, 2025 | - | |
| Apr 21, 2023 | - | Other | No | No | - | - | - | Addressed | - | - | |
| Apr 21, 2023 | - | Other | No | No | - | - | - | Addressed | - | - | |
| Mar 23, 2023 | - | TT | Yes | No | - | - | - | Unaddressed | - | - | |
| Mar 23, 2023 | - | TT | Yes | No | - | - | - | Unaddressed | - | - | |
| Mar 23, 2023 | - | TT | Yes | No | - | - | - | Addressed | - | - | |
| Mar 23, 2023 | - | TT | Yes | No | - | - | - | Addressed | - | - | |
| Mar 23, 2023 | - | TT | Yes | No | - | - | - | Addressed | - | - | |
| Mar 23, 2023 | - | TT | Yes | No | - | - | - | Unaddressed | - | - | |
| Mar 23, 2023 | - | TT | Yes | No | - | - | - | Unaddressed | - | - | |
| Mar 23, 2023 | - | TT | Yes | No | - | - | - | Unaddressed | - | - | |
| Mar 23, 2023 | - | TT | Yes | No | - | - | - | Addressed | - | - | |
| Mar 23, 2023 | - | TT | Yes | No | - | - | - | Addressed | - | - | |
| Mar 23, 2023 | - | TT | Yes | No | - | - | - | Addressed | - | - | |
| Mar 23, 2023 | - | TT | Yes | No | - | - | - | Addressed | - | - | |
| Mar 23, 2023 | - | TT | Yes | No | - | - | - | Addressed | - | - | |
| Mar 23, 2023 | - | TT | Yes | No | - | - | - | Addressed | - | - | |
| Mar 23, 2023 | - | TT | Yes | No | - | - | - | Addressed | - | - | |
| Mar 23, 2023 | - | TT | Yes | No | - | - | - | Unaddressed | - | - | |
| Mar 23, 2023 | - | TT | Yes | No | - | - | - | Unaddressed | - | - | |
| Mar 23, 2023 | - | TT | Yes | No | - | - | - | Addressed | - | - | |
| Mar 23, 2023 | - | TT | Yes | No | - | - | - | Addressed | - | - | |
| Mar 23, 2023 | - | TT | Yes | No | - | - | - | Addressed | - | - | |
| Mar 23, 2023 | - | TT | Yes | No | - | - | - | Unaddressed | - | - | |
| Mar 23, 2023 | - | TT | Yes | No | - | - | - | Unaddressed | - | - | |
| Mar 14, 2023 | - | TT | Yes | No | - | - | - | Addressed | - | - | |
| Mar 14, 2023 | - | TT | Yes | No | - | - | - | Addressed | - | - | |
| Mar 14, 2023 | - | TT | Yes | No | - | - | - | Addressed | - | - | |
| Mar 14, 2023 | - | TT | Yes | No | - | - | - | Addressed | - | - | |
| Apr 5, 2022 | - | MR | No | No | - | TT | - | Resolved | Oct 14, 2025 | - | |
| Apr 5, 2022 | - | MR | No | No | - | TT | - | Resolved | Oct 14, 2025 | - | |
| Apr 5, 2022 | - | MR | No | No | - | TT | - | Resolved | Oct 14, 2025 | - | |
| Mar 1, 2021 | - | TT | Yes | No | - | - | - | Resolved | Apr 9, 2021 | - | |
| Mar 1, 2021 | - | TT | Yes | No | - | - | - | Resolved | Apr 9, 2021 | - | |
| Mar 1, 2021 | - | TT | Yes | No | - | - | - | Resolved | Apr 9, 2021 | - | |
| Mar 1, 2021 | - | TT | Yes | No | - | - | - | Resolved | Apr 9, 2021 | - | |
| Mar 1, 2021 | - | TT | Yes | No | - | - | - | Resolved | Apr 9, 2021 | - |
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.