CALEDONIA PWS
Missouri - Community Water System - PWSID: MO4010003
System Information
| PWSID | MO4010003 |
| System Name | CALEDONIA PWS |
| 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 23, 1993 |
| Last Reported | Mar 25, 2026 |
Location & Contact
| State | Missouri |
| City | CALEDONIA |
| ZIP Code | 63631-0000 |
| Address | 218 S STATE HWY 21 |
| Organization | ROBINSON III, JOHN |
| Phone | 573-779-3492 |
Population & Service
| Population Served | 130 |
| Service Connections | 68 |
Drinking Water Violations (83)
This water system has 83 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 1, 2024 | - | Other | No | No | - | - | - | Resolved | Sep 19, 2024 | - | |
| Jul 1, 2024 | - | Other | No | No | - | - | - | Resolved | Sep 19, 2024 | - | |
| Aug 1, 2021 | Aug 31, 2021 | MON | No | Yes | - | - | - | Resolved | Aug 31, 2021 | - | |
| Aug 1, 2021 | Aug 31, 2021 | MON | No | Yes | - | - | - | Resolved | Aug 31, 2021 | - | |
| Aug 1, 2021 | Aug 31, 2021 | MON | No | Yes | - | - | - | Resolved | Aug 31, 2021 | - | |
| Aug 1, 2021 | Aug 31, 2021 | MON | No | Yes | - | - | - | Resolved | Aug 31, 2021 | - | |
| Jul 1, 2014 | - | Other | No | No | - | - | - | Resolved | Oct 5, 2015 | - | |
| Jul 1, 2013 | - | Other | No | No | - | - | - | Resolved | Oct 5, 2015 | - | |
| Nov 1, 2009 | Nov 30, 2009 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2009 | - | |
| Nov 1, 2009 | Nov 30, 2009 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2009 | - | |
| Nov 1, 2009 | Nov 30, 2009 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2009 | - | |
| Nov 1, 2009 | Nov 30, 2009 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2009 | - | |
| May 1, 2009 | May 31, 2009 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2009 | - | |
| May 1, 2009 | May 31, 2009 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2009 | - | |
| May 1, 2009 | May 31, 2009 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2009 | - | |
| May 1, 2009 | May 31, 2009 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2009 | - | |
| Sep 1, 2008 | Sep 30, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2008 | - | |
| Sep 1, 2008 | Sep 30, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2008 | - | |
| Sep 1, 2008 | Sep 30, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2008 | - | |
| Sep 1, 2008 | Sep 30, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2008 | - | |
| Jul 1, 2006 | Jul 31, 2006 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2006 | - | |
| Jul 1, 2006 | Jul 31, 2006 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2006 | - | |
| Jul 1, 2006 | Jul 31, 2006 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2006 | - | |
| Jul 1, 2006 | Jul 31, 2006 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2006 | - | |
| Jul 1, 2005 | - | Other | No | No | - | - | - | Resolved | Jun 28, 2006 | - | |
| Jul 1, 2004 | - | Other | No | No | - | - | - | Resolved | Jun 28, 2006 | - | |
| Jul 1, 2003 | - | Other | No | No | - | - | - | Resolved | Jun 28, 2006 | - | |
| Jul 1, 2002 | - | Other | No | No | - | - | - | Resolved | Jun 28, 2006 | - | |
| Oct 1, 2001 | - | MR | No | No | - | TT | - | Resolved | Sep 13, 2006 | - | |
| Jul 1, 2001 | - | Other | No | No | - | - | - | Resolved | Jun 28, 2006 | - | |
| Oct 19, 1999 | - | Other | No | No | - | - | - | Resolved | Jan 17, 2006 | - | |
| Oct 19, 1999 | - | Other | No | No | - | - | - | Resolved | Jan 17, 2006 | - | |
| Oct 19, 1999 | - | Other | No | No | - | - | - | Resolved | Jan 17, 2006 | - | |
| Jan 1, 1997 | Dec 31, 1997 | MR | No | Yes | - | - | - | Resolved | Dec 31, 1997 | - | |
| Jul 1, 1995 | - | MR | No | No | - | TT | - | Resolved | Jun 30, 1995 | - | |
| Jan 1, 1995 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 1994 | - | |
| Sep 1, 1993 | Sep 30, 1993 | MR | No | No | - | 5% of samples | - | Archived | Sep 30, 1993 | - | |
| Sep 1, 1993 | Sep 30, 1993 | MR | No | No | - | 5% of samples | - | Archived | Sep 30, 1993 | - | |
| Jun 1, 1993 | May 31, 1997 | MR | No | Yes | - | 15 pCi/L | - | Resolved | May 31, 1997 | - | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 1993 | - | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 1993 | - | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | - | 0.07 mg/L | - | Resolved | Dec 31, 1993 | - | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Dec 31, 1993 | - | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 1993 | - | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 1993 | - | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | - | 0.7 mg/L | - | Resolved | Dec 31, 1993 | - | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | - | 0.7 mg/L | - | Resolved | Dec 31, 1993 | - | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 1993 | - | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 1993 | - | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 1993 | - |
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.