ST JOHN WATER DISTRICT 1
Louisiana - Community Water System - PWSID: LA1095003
System Information
| PWSID | LA1095003 |
| System Name | ST JOHN WATER DISTRICT 1 |
| System Type | Community Water System |
| Water Source | Surface Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 06 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 6, 1980 |
| Last Reported | Mar 31, 2026 |
Location & Contact
| State | Louisiana |
| City | LAPLACE |
| ZIP Code | 70068 |
| Address | - |
| Organization | HOTARD, JACLYN |
| Phone | 985-652-9569 |
Population & Service
| Population Served | 10,484 |
| Service Connections | 3,494 |
Drinking Water Violations (499)
This water system has 499 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sep 27, 2024 | - | MR | No | No | - | TT | - | Resolved | Feb 28, 2025 | - | |
| Jun 1, 2019 | Jun 30, 2019 | TT | Yes | No | - | - | - | Resolved | Jun 25, 2019 | - | |
| Jun 1, 2019 | Jun 30, 2019 | TT | Yes | No | - | - | - | Resolved | Jun 25, 2019 | - | |
| Jun 1, 2019 | Jun 30, 2019 | TT | Yes | No | - | - | - | Resolved | Jun 25, 2019 | - | |
| Jun 1, 2019 | Jun 30, 2019 | TT | Yes | No | - | - | - | Resolved | Jun 25, 2019 | - | |
| Jul 1, 2017 | - | Other | No | No | - | - | - | Resolved | Jul 7, 2017 | - | |
| Jul 1, 2017 | - | Other | No | No | - | - | - | Resolved | Jul 7, 2017 | - | |
| Nov 1, 2015 | Nov 30, 2015 | TT | Yes | No | - | - | - | Resolved | Nov 30, 2015 | - | |
| Nov 1, 2015 | Nov 30, 2015 | TT | Yes | No | - | - | - | Resolved | Nov 30, 2015 | - | |
| Nov 1, 2015 | Nov 30, 2015 | TT | Yes | No | - | - | - | Resolved | Nov 30, 2015 | - | |
| Nov 1, 2015 | Nov 30, 2015 | TT | Yes | No | - | - | - | Resolved | Nov 30, 2015 | - | |
| Oct 1, 2015 | Oct 31, 2015 | TT | Yes | No | - | - | - | Resolved | Oct 31, 2015 | - | |
| Oct 1, 2015 | Oct 31, 2015 | TT | Yes | No | - | - | - | Resolved | Oct 31, 2015 | - | |
| Oct 1, 2015 | Oct 31, 2015 | TT | Yes | No | - | - | - | Resolved | Oct 31, 2015 | - | |
| Oct 1, 2015 | Oct 31, 2015 | TT | Yes | No | - | - | - | Resolved | Oct 31, 2015 | - | |
| Apr 1, 2015 | Jun 30, 2015 | MCL | Yes | No | 107 UG/L | 0.080 mg/L | 80 | Resolved | Jun 30, 2015 | - | |
| Apr 1, 2015 | Jun 30, 2015 | MCL | Yes | No | 107 UG/L | 0.080 mg/L | 80 | Resolved | Jun 30, 2015 | - | |
| Apr 1, 2015 | Jun 30, 2015 | MCL | Yes | No | 107 UG/L | 0.080 mg/L | 80 | Resolved | Jun 30, 2015 | - | |
| Apr 1, 2015 | Jun 30, 2015 | MCL | Yes | No | 107 UG/L | 0.080 mg/L | 80 | Resolved | Jun 30, 2015 | - | |
| Jan 1, 2015 | Mar 31, 2015 | MCL | Yes | No | 116 UG/L | 0.080 mg/L | 80 | Resolved | Mar 31, 2015 | - | |
| Jan 1, 2015 | Mar 31, 2015 | MCL | Yes | No | 116 UG/L | 0.080 mg/L | 80 | Resolved | Mar 31, 2015 | - | |
| Jan 1, 2015 | Mar 31, 2015 | MCL | Yes | No | 116 UG/L | 0.080 mg/L | 80 | Resolved | Mar 31, 2015 | - | |
| Jan 1, 2015 | Mar 31, 2015 | MCL | Yes | No | 116 UG/L | 0.080 mg/L | 80 | Resolved | Mar 31, 2015 | - | |
| Oct 1, 2014 | Dec 31, 2014 | MCL | Yes | No | 95 UG/L | 0.080 mg/L | 80 | Resolved | Dec 31, 2014 | - | |
| Oct 1, 2014 | Dec 31, 2014 | MCL | Yes | No | 95 UG/L | 0.080 mg/L | 80 | Resolved | Dec 31, 2014 | - | |
| Oct 1, 2014 | Dec 31, 2014 | MCL | Yes | No | 95 UG/L | 0.080 mg/L | 80 | Resolved | Dec 31, 2014 | - | |
| Oct 1, 2014 | Dec 31, 2014 | MCL | Yes | No | 95 UG/L | 0.080 mg/L | 80 | Resolved | Dec 31, 2014 | - | |
| Apr 1, 2014 | Jun 30, 2014 | TT | Yes | No | - | TT | - | Resolved | Jun 30, 2014 | - | |
| Apr 1, 2014 | Jun 30, 2014 | TT | Yes | No | - | TT | - | Resolved | Jun 30, 2014 | - | |
| Apr 1, 2014 | Jun 30, 2014 | TT | Yes | No | - | TT | - | Resolved | Jun 30, 2014 | - | |
| Apr 1, 2014 | Jun 30, 2014 | TT | Yes | No | - | TT | - | Resolved | Jun 30, 2014 | - | |
| Jan 1, 2014 | Mar 31, 2014 | TT | Yes | No | - | TT | - | Resolved | Mar 31, 2014 | - | |
| Jan 1, 2014 | Mar 31, 2014 | TT | Yes | No | - | TT | - | Resolved | Mar 31, 2014 | - | |
| Jan 1, 2014 | Mar 31, 2014 | TT | Yes | No | - | TT | - | Resolved | Mar 31, 2014 | - | |
| Jan 1, 2014 | Mar 31, 2014 | TT | Yes | No | - | TT | - | Resolved | Mar 31, 2014 | - | |
| Oct 1, 2013 | Dec 31, 2013 | TT | Yes | No | - | TT | - | Resolved | Dec 31, 2013 | - | |
| Oct 1, 2013 | Dec 31, 2013 | TT | Yes | No | - | TT | - | Resolved | Dec 31, 2013 | - | |
| Oct 1, 2013 | Dec 31, 2013 | TT | Yes | No | - | TT | - | Resolved | Dec 31, 2013 | - | |
| Oct 1, 2013 | Dec 31, 2013 | TT | Yes | No | - | TT | - | Resolved | Dec 31, 2013 | - | |
| Jun 1, 2013 | Jun 30, 2013 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2013 | - | |
| Jun 1, 2013 | Jun 30, 2013 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2013 | - | |
| Jun 1, 2013 | Jun 30, 2013 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2013 | - | |
| Jun 1, 2013 | Jun 30, 2013 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2013 | - | |
| Jul 1, 2011 | Jul 31, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2011 | - | |
| Jul 1, 2011 | Jul 31, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2011 | - | |
| Jul 1, 2011 | Jul 31, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2011 | - | |
| Jul 1, 2011 | Jul 31, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2011 | - | |
| Apr 1, 2011 | Apr 30, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 2011 | - | |
| Apr 1, 2011 | Apr 30, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 2011 | - | |
| Apr 1, 2011 | Apr 30, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 2011 | - |
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.