LITTLE LAKE WEIR SUBDIVISION
Missouri - Community Water System - PWSID: FL3420761
System Information
| PWSID | FL3420761 |
| System Name | LITTLE LAKE WEIR SUBDIVISION |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Mixed |
| EPA Region | 04 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 10, 1979 |
| Last Reported | Feb 24, 2026 |
Location & Contact
| State | Missouri |
| City | DES PERES |
| ZIP Code | 63131 |
| Address | 1630 DES PERES RD., SUITE 140 |
| Organization | JOSIAH COX |
| Phone | 314-736-4672 |
Population & Service
| Population Served | 1,138 |
| Service Connections | 455 |
Drinking Water Violations (60)
This water system has 60 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 1, 2017 | Dec 31, 2017 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 22, 2017 | - | |
| Jan 1, 2017 | Dec 31, 2017 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 22, 2017 | - | |
| Jan 1, 2017 | Dec 31, 2017 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 22, 2017 | - | |
| Jan 1, 2017 | Dec 31, 2017 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 22, 2017 | - | |
| Jan 1, 2017 | Dec 31, 2017 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 22, 2017 | - | |
| Jan 1, 2017 | Dec 31, 2017 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 22, 2017 | - | |
| Jul 1, 2016 | Sep 30, 2016 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Sep 30, 2016 | - | |
| Jul 1, 2016 | Sep 30, 2016 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Sep 30, 2016 | - | |
| Jul 1, 2016 | Sep 30, 2016 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Sep 30, 2016 | - | |
| Jul 1, 2016 | Sep 30, 2016 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Sep 30, 2016 | - | |
| Jul 1, 2016 | Sep 30, 2016 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Sep 30, 2016 | - | |
| Jul 1, 2016 | Sep 30, 2016 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Sep 30, 2016 | - | |
| Jul 1, 2004 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Jan 1, 1998 | Jan 31, 1998 | MR | No | Yes | - | 5% of samples | - | Archived | Jan 31, 1998 | - | |
| Apr 1, 1987 | Mar 31, 1990 | MR | No | Yes | - | 4.0 mg/L | - | Archived | Mar 31, 1990 | - | |
| Apr 1, 1987 | Mar 31, 1990 | MR | No | Yes | - | 0.05 mg/L | - | Archived | Mar 31, 1990 | - | |
| Apr 1, 1987 | Mar 31, 1990 | MR | No | Yes | - | 0.002 mg/L | - | Archived | Mar 31, 1990 | - | |
| Apr 1, 1987 | Mar 31, 1990 | MR | No | Yes | - | 0.002 mg/L | - | Archived | Mar 31, 1990 | - | |
| Apr 1, 1987 | Mar 31, 1990 | MR | No | Yes | - | 2 mg/L | - | Archived | Mar 31, 1990 | - | |
| Apr 1, 1987 | Mar 31, 1990 | MR | No | Yes | - | 2 mg/L | - | Archived | Mar 31, 1990 | - | |
| Apr 1, 1987 | Mar 31, 1990 | MR | No | Yes | - | 0.010 mg/L | - | Archived | Mar 31, 1990 | - | |
| Apr 1, 1987 | Mar 31, 1990 | MR | No | Yes | - | 0.010 mg/L | - | Archived | Mar 31, 1990 | - | |
| Apr 1, 1987 | Mar 31, 1990 | MR | No | Yes | - | 0.05 mg/L | - | Archived | Mar 31, 1990 | - | |
| Apr 1, 1987 | Mar 31, 1990 | MR | No | Yes | - | 4.0 mg/L | - | Archived | Mar 31, 1990 | - | |
| Apr 1, 1987 | Mar 31, 1990 | MR | No | Yes | - | 10 mg/L | - | Archived | Mar 31, 1990 | - | |
| Apr 1, 1987 | Mar 31, 1990 | MR | No | Yes | - | 10 mg/L | - | Archived | Mar 31, 1990 | - | |
| Apr 1, 1987 | Mar 31, 1990 | MR | No | Yes | - | 0.1 mg/L | - | Archived | Mar 31, 1990 | - | |
| Apr 1, 1987 | Mar 31, 1990 | MR | No | Yes | - | 0.1 mg/L | - | Archived | Mar 31, 1990 | - | |
| Apr 1, 1987 | Mar 31, 1990 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Mar 31, 1990 | - | |
| Apr 1, 1987 | Mar 31, 1990 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Mar 31, 1990 | - | |
| Nov 1, 1986 | Oct 31, 1990 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Aug 21, 1990 | - | |
| Nov 1, 1986 | Oct 31, 1990 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Aug 21, 1990 | - | |
| Nov 1, 1986 | Oct 31, 1990 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Aug 21, 1990 | - | |
| Nov 1, 1986 | Oct 31, 1990 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Aug 21, 1990 | - | |
| Mar 1, 1984 | Feb 29, 1988 | MR | No | Yes | - | 15 pCi/L | - | Archived | Feb 29, 1988 | - | |
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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.