CLARK COUNTY CONS PWSD 1
Missouri - Community Water System - PWSID: MO2024138
System Information
| PWSID | MO2024138 |
| System Name | CLARK COUNTY CONS PWSD 1 |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 07 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 2, 1982 |
| Last Reported | Mar 25, 2026 |
Location & Contact
| State | Missouri |
| City | WILLIAMSTOWN |
| ZIP Code | 63473-0000 |
| Address | RR1 BOX 30 |
| Organization | LEMMON, LEE |
| Phone | 573-853-4550 |
Population & Service
| Population Served | 7,140 |
| Service Connections | 3,188 |
Drinking Water Violations (14)
This water system has 14 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Dec 30, 2023 | - | MR | No | No | - | TT | - | Resolved | Apr 4, 2024 | - | |
| Oct 1, 2022 | Oct 31, 2022 | MON | No | No | - | - | - | Resolved | Oct 31, 2022 | - | |
| Oct 1, 2022 | Oct 31, 2022 | MON | No | No | - | - | - | Resolved | Oct 31, 2022 | - | |
| Oct 1, 2022 | Oct 31, 2022 | MON | No | No | - | - | - | Resolved | Oct 31, 2022 | - | |
| Oct 1, 2022 | Oct 31, 2022 | MON | No | No | - | - | - | Resolved | Oct 31, 2022 | - | |
| Jul 1, 2019 | - | Other | No | No | - | - | - | Resolved | Nov 25, 2019 | - | |
| Apr 1, 2008 | - | MR | No | No | - | - | - | Resolved | May 6, 2008 | - | |
| Apr 1, 2008 | - | MR | No | No | - | - | - | Resolved | May 6, 2008 | - | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | - | 0.080 mg/L | - | Archived | Dec 31, 2010 | - | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | - | 0.060 mg/L | - | Archived | Dec 31, 2010 | - | |
| May 1, 2003 | May 31, 2003 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2003 | - | |
| May 1, 2003 | May 31, 2003 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2003 | - | |
| May 1, 2003 | May 31, 2003 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2003 | - | |
| Nov 1, 1994 | Oct 31, 1998 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Oct 31, 1998 | - |
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.