VILLAGE OF MERMENTAU WATER SYSTEM
Louisiana — Community Water System — PWSID: LA1001005
System Information
| PWSID | LA1001005 |
| System Name | VILLAGE OF MERMENTAU WATER SYSTEM |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 06 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 6, 1980 |
| Last Reported | Nov 14, 2025 |
Location & Contact
| State | Louisiana |
| City | MERMENTAU |
| ZIP Code | 70556 |
| Address | Village of Mermentau Water System |
| Organization | ISTRE, DARLA |
| Phone | 337-824-8466 |
Population & Service
| Population Served | 780 |
| Service Connections | 260 |
Drinking Water Violations (28)
This water system has 28 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 11, 2022 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Feb 1, 2023 | Ground Water Rule |
| Jan 11, 2022 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Feb 1, 2023 | Ground Water Rule |
| Jan 11, 2022 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Feb 1, 2023 | Ground Water Rule |
| Jan 11, 2022 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Feb 1, 2023 | Ground Water Rule |
| Jan 11, 2022 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Feb 1, 2023 | Ground Water Rule |
| Jan 11, 2022 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Feb 1, 2023 | Ground Water Rule |
| Jan 11, 2022 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Feb 1, 2023 | Ground Water Rule |
| Jan 11, 2022 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Feb 1, 2023 | Ground Water Rule |
| Jan 11, 2022 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Feb 1, 2023 | Ground Water Rule |
| Jan 11, 2022 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Feb 1, 2023 | Ground Water Rule |
| Jan 11, 2022 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Feb 1, 2023 | Ground Water Rule |
| Jan 11, 2022 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Feb 1, 2023 | Ground Water Rule |
| Jan 11, 2022 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Feb 1, 2023 | Ground Water Rule |
| Jan 11, 2022 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Feb 1, 2023 | Ground Water Rule |
| Jan 11, 2022 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Feb 1, 2023 | Ground Water Rule |
| Jan 11, 2022 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Feb 1, 2023 | Ground Water Rule |
| Jan 11, 2022 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Feb 1, 2023 | Ground Water Rule |
| Jan 11, 2022 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Feb 1, 2023 | Ground Water Rule |
| Jan 11, 2022 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Feb 1, 2023 | Ground Water Rule |
| Jul 12, 2019 | — | Public Notice | Other | No | No | — | — | — | Resolved | May 21, 2023 | Public Notice Rule and Revised PN Rule |
| Jul 12, 2019 | — | Public Notice | Other | No | No | — | — | — | Resolved | May 21, 2023 | Public Notice Rule and Revised PN Rule |
| May 22, 2019 | — | Groundwater Rule | TT | Yes | No | — | — | — | Unaddressed | — | Ground Water Rule |
| May 22, 2019 | — | Groundwater Rule | TT | Yes | No | — | — | — | Unaddressed | — | Ground Water Rule |
| Jan 1, 2014 | Mar 31, 2014 | Total Haloacetic Acids (HAA5) | MCL | Yes | No | 68 UG/L | 0.060 mg/L | 60 | Resolved | Mar 31, 2014 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2014 | Mar 31, 2014 | Total Haloacetic Acids (HAA5) | MCL | Yes | No | 68 UG/L | 0.060 mg/L | 60 | Resolved | Mar 31, 2014 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jun 11, 2013 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Oct 26, 2016 | Ground Water Rule |
| Jun 11, 2013 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Oct 26, 2016 | Ground Water Rule |
| — | — | — | No | No | — | — | — | — | — | — |
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.