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 | Dec 31, 2025 |
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 (12)
This water system has 12 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 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Apr 4, 2024 | Lead and Copper Rule |
| Oct 1, 2022 | Oct 31, 2022 | Revised Total Coliform Rule | MON | No | No | — | — | — | Resolved | Oct 31, 2022 | Revised Total Coliform Rule |
| Oct 1, 2022 | Oct 31, 2022 | Revised Total Coliform Rule | MON | No | No | — | — | — | Resolved | Oct 31, 2022 | Revised Total Coliform Rule |
| Oct 1, 2022 | Oct 31, 2022 | Revised Total Coliform Rule | MON | No | No | — | — | — | Resolved | Oct 31, 2022 | Revised Total Coliform Rule |
| Oct 1, 2022 | Oct 31, 2022 | Revised Total Coliform Rule | MON | No | No | — | — | — | Resolved | Oct 31, 2022 | Revised Total Coliform Rule |
| Jul 1, 2019 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Nov 25, 2019 | Consumer Confidence Rule |
| Jan 1, 2008 | Dec 31, 2010 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Archived | Dec 31, 2010 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2008 | Dec 31, 2010 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Archived | Dec 31, 2010 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| May 1, 2003 | May 31, 2003 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2003 | Total Coliform Rule |
| May 1, 2003 | May 31, 2003 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2003 | Total Coliform Rule |
| May 1, 2003 | May 31, 2003 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2003 | Total Coliform Rule |
| Nov 1, 1994 | Oct 31, 1998 | Gross Alpha, Excl. Radon and U | MR | No | Yes | — | 15 pCi/L | — | Resolved | Oct 31, 1998 | Radionuclides and Revised Rad Rule |
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.