LAKE SEVEN FALLS ASSN INC
Missouri - Community Water System - PWSID: MO4256181
System Information
| PWSID | MO4256181 |
| System Name | LAKE SEVEN FALLS ASSN INC |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 07 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 3, 1982 |
| Last Reported | Mar 25, 2026 |
Location & Contact
| State | Missouri |
| City | ST GENEVIEVE |
| ZIP Code | 63670-0000 |
| Address | 14958 LAKEVIEW DR |
| Organization | GILL, KEITH |
| Phone | - |
Population & Service
| Population Served | 475 |
| Service Connections | 76 |
Drinking Water Violations (292)
This water system has 292 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 23, 2025 | - | Other | No | No | - | - | - | Resolved | Dec 3, 2025 | - | |
| Jul 1, 2024 | Jun 30, 2025 | MCL | Yes | No | 6.63 PCI/L | 5 pCi/L | 5 | Resolved | Jun 30, 2025 | - | |
| Jul 1, 2024 | Jun 30, 2025 | MCL | Yes | No | 6.63 PCI/L | 5 pCi/L | 5 | Resolved | Jun 30, 2025 | - | |
| Jul 1, 2024 | Jun 30, 2025 | MCL | Yes | No | 6.63 PCI/L | 5 pCi/L | 5 | Resolved | Jun 30, 2025 | - | |
| Jul 1, 2024 | Jun 30, 2025 | MCL | Yes | No | 6.63 PCI/L | 5 pCi/L | 5 | Resolved | Jun 30, 2025 | - | |
| Jun 1, 2024 | Jun 30, 2024 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2024 | - | |
| Jun 1, 2024 | Jun 30, 2024 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2024 | - | |
| Jun 1, 2024 | Jun 30, 2024 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2024 | - | |
| Jun 1, 2024 | Jun 30, 2024 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2024 | - | |
| Apr 1, 2024 | Mar 31, 2025 | MCL | Yes | No | 7.18 PCI/L | 5 pCi/L | 5 | Resolved | Mar 31, 2025 | - | |
| Apr 1, 2024 | Mar 31, 2025 | MCL | Yes | No | 7.18 PCI/L | 5 pCi/L | 5 | Resolved | Mar 31, 2025 | - | |
| Apr 1, 2024 | Mar 31, 2025 | MCL | Yes | No | 7.18 PCI/L | 5 pCi/L | 5 | Resolved | Mar 31, 2025 | - | |
| Apr 1, 2024 | Mar 31, 2025 | MCL | Yes | No | 7.18 PCI/L | 5 pCi/L | 5 | Resolved | Mar 31, 2025 | - | |
| Jan 1, 2024 | Dec 31, 2024 | MCL | Yes | No | 7.3 PCI/L | 5 pCi/L | 5 | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2024 | Dec 31, 2024 | MCL | Yes | No | 7.3 PCI/L | 5 pCi/L | 5 | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2024 | Dec 31, 2024 | MCL | Yes | No | 7.3 PCI/L | 5 pCi/L | 5 | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2024 | Dec 31, 2024 | MCL | Yes | No | 7.3 PCI/L | 5 pCi/L | 5 | Resolved | Dec 31, 2024 | - | |
| Oct 1, 2023 | Sep 30, 2024 | MCL | Yes | No | 7.53 PCI/L | 5 pCi/L | 5 | Resolved | Sep 30, 2024 | - | |
| Oct 1, 2023 | Sep 30, 2024 | MCL | Yes | No | 7.53 PCI/L | 5 pCi/L | 5 | Resolved | Sep 30, 2024 | - | |
| Oct 1, 2023 | Sep 30, 2024 | MCL | Yes | No | 7.53 PCI/L | 5 pCi/L | 5 | Resolved | Sep 30, 2024 | - | |
| Oct 1, 2023 | Sep 30, 2024 | MCL | Yes | No | 7.53 PCI/L | 5 pCi/L | 5 | Resolved | Sep 30, 2024 | - | |
| Jul 1, 2023 | Jun 30, 2024 | MCL | Yes | No | 5.68 PCI/L | 5 pCi/L | 5 | Resolved | Jun 30, 2024 | - | |
| Jul 1, 2023 | Jun 30, 2024 | MCL | Yes | No | 5.68 PCI/L | 5 pCi/L | 5 | Resolved | Jun 30, 2024 | - | |
| Jul 1, 2023 | Jun 30, 2024 | MCL | Yes | No | 5.68 PCI/L | 5 pCi/L | 5 | Resolved | Jun 30, 2024 | - | |
| Jul 1, 2023 | Jun 30, 2024 | MCL | Yes | No | 5.68 PCI/L | 5 pCi/L | 5 | Resolved | Jun 30, 2024 | - | |
| Sep 1, 2019 | Sep 30, 2019 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2019 | - | |
| Sep 1, 2019 | Sep 30, 2019 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2019 | - | |
| Sep 1, 2019 | Sep 30, 2019 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2019 | - | |
| Sep 1, 2019 | Sep 30, 2019 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2019 | - | |
| Jul 1, 2012 | - | Other | No | No | - | - | - | Resolved | Oct 25, 2013 | - | |
| Apr 1, 2012 | - | MR | No | No | - | TT | - | Resolved | Jan 29, 2014 | - | |
| Jul 1, 2011 | - | Other | No | No | - | - | - | Resolved | Oct 25, 2013 | - | |
| May 1, 2006 | May 31, 2006 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2006 | - | |
| May 1, 2006 | May 31, 2006 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2006 | - | |
| May 1, 2006 | May 31, 2006 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2006 | - | |
| May 1, 2006 | May 31, 2006 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2006 | - | |
| May 1, 2006 | May 31, 2006 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2006 | - | |
| Apr 1, 2006 | Apr 30, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 2006 | - | |
| Apr 1, 2006 | Apr 30, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 2006 | - | |
| Apr 1, 2006 | Apr 30, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 2006 | - | |
| Apr 1, 2006 | Apr 30, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 2006 | - | |
| Apr 1, 2006 | Apr 30, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 2006 | - | |
| Mar 1, 2006 | Mar 31, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2006 | - | |
| Mar 1, 2006 | Mar 31, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2006 | - | |
| Mar 1, 2006 | Mar 31, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2006 | - | |
| Mar 1, 2006 | Mar 31, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2006 | - | |
| Nov 1, 2003 | Nov 30, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2003 | - | |
| Nov 1, 2003 | Nov 30, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2003 | - | |
| Nov 1, 2003 | Nov 30, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2003 | - | |
| Nov 1, 2003 | Nov 30, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2003 | - |
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.