MADISONVILLE ON THE LAKE
Louisiana - Community Water System - PWSID: LA1103176
System Information
| PWSID | LA1103176 |
| System Name | MADISONVILLE ON THE LAKE |
| 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 | Jan 10, 2006 |
| Last Reported | Mar 31, 2026 |
Location & Contact
| State | Louisiana |
| City | MANDEVILLE |
| ZIP Code | 70471 |
| Address | 1100 Mandeville High Blvd. |
| Organization | LAGRANGE, KEITH |
| Phone | 985-624-3169 |
Population & Service
| Population Served | 51 |
| Service Connections | 17 |
Drinking Water Violations (44)
This water system has 44 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 15, 2025 | - | TT | Yes | No | - | - | - | Unaddressed | - | - | |
| Jul 15, 2025 | - | TT | Yes | No | - | - | - | Unaddressed | - | - | |
| Jul 15, 2025 | - | TT | Yes | No | - | - | - | Unaddressed | - | - | |
| Jul 15, 2025 | - | TT | Yes | No | - | - | - | Unaddressed | - | - | |
| Jul 15, 2025 | - | TT | Yes | No | - | - | - | Unaddressed | - | - | |
| Jul 15, 2025 | - | TT | Yes | No | - | - | - | Unaddressed | - | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Resolved | Oct 24, 2024 | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Resolved | Dec 18, 2024 | - | |
| Jul 1, 2024 | - | Other | No | No | - | - | - | Resolved | Jun 1, 2025 | - | |
| Jul 1, 2024 | - | Other | No | No | - | - | - | Resolved | Jun 1, 2025 | - | |
| Aug 15, 2023 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Jul 1, 2023 | - | Other | No | No | - | - | - | Resolved | Jun 1, 2025 | - | |
| Jul 1, 2023 | - | Other | No | No | - | - | - | Resolved | Jun 1, 2025 | - | |
| Jun 11, 2023 | - | TT | Yes | No | - | - | - | Unaddressed | - | - | |
| Jun 11, 2023 | - | TT | Yes | No | - | - | - | Unaddressed | - | - | |
| Feb 8, 2020 | - | TT | Yes | No | - | - | - | Resolved | Sep 27, 2022 | - | |
| Feb 8, 2020 | - | TT | Yes | No | - | - | - | Resolved | Sep 27, 2022 | - | |
| Feb 8, 2020 | - | TT | Yes | No | - | - | - | Resolved | Sep 27, 2022 | - | |
| Feb 8, 2020 | - | TT | Yes | No | - | - | - | Resolved | Sep 27, 2022 | - | |
| Feb 8, 2020 | - | TT | Yes | No | - | - | - | Resolved | Sep 27, 2022 | - | |
| Feb 8, 2020 | - | TT | Yes | No | - | - | - | Resolved | Feb 8, 2023 | - | |
| Feb 8, 2020 | - | TT | Yes | No | - | - | - | Resolved | Feb 8, 2023 | - | |
| Feb 8, 2020 | - | TT | Yes | No | - | - | - | Resolved | Feb 8, 2023 | - | |
| Feb 8, 2020 | - | TT | Yes | No | - | - | - | Resolved | Feb 8, 2023 | - | |
| Feb 8, 2020 | - | TT | Yes | No | - | - | - | Resolved | Mar 5, 2020 | - | |
| Feb 8, 2020 | - | TT | Yes | No | - | - | - | Resolved | Mar 5, 2020 | - | |
| Feb 8, 2020 | - | TT | Yes | No | - | - | - | Resolved | Mar 5, 2020 | - | |
| Feb 8, 2020 | - | TT | Yes | No | - | - | - | Resolved | Mar 5, 2020 | - | |
| Feb 8, 2020 | - | TT | Yes | No | - | - | - | Resolved | Mar 5, 2020 | - | |
| Oct 1, 2016 | - | Other | No | No | - | - | - | Resolved | Dec 27, 2016 | - | |
| Oct 1, 2016 | - | Other | No | No | - | - | - | Resolved | Dec 27, 2016 | - | |
| Jul 20, 2015 | - | Other | No | No | - | - | - | Resolved | Sep 17, 2015 | - | |
| Jul 20, 2015 | - | Other | No | No | - | - | - | Resolved | Sep 17, 2015 | - | |
| Jul 20, 2015 | - | Other | No | No | - | - | - | Resolved | Sep 17, 2015 | - | |
| Jun 1, 2015 | Jun 30, 2015 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2015 | - | |
| Jun 1, 2015 | Jun 30, 2015 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2015 | - | |
| Jun 1, 2015 | Jun 30, 2015 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2015 | - | |
| Jun 1, 2015 | Jun 30, 2015 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2015 | - | |
| Jun 1, 2014 | Jun 30, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2014 | - | |
| Jun 1, 2014 | Jun 30, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2014 | - | |
| Jun 1, 2014 | Jun 30, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2014 | - | |
| Jun 1, 2014 | Jun 30, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2014 | - | |
| Nov 1, 2009 | Nov 30, 2009 | MCL | Yes | No | - | 5% of samples | - | Archived | Nov 30, 2009 | - | |
| Nov 1, 2009 | Nov 30, 2009 | MCL | Yes | No | - | 5% of samples | - | Archived | Nov 30, 2009 | - |
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.