KOSHKONONG PWS
Missouri — Community Water System — PWSID: MO4010434
System Information
| PWSID | MO4010434 |
| System Name | KOSHKONONG 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 | Mar 7, 1980 |
| Last Reported | Dec 31, 2025 |
Location & Contact
| State | Missouri |
| City | KOSHKONONG |
| ZIP Code | 65692-0000 |
| Address | 305 LUYSTER ST |
| Organization | SANDERS, MARK |
| Phone | 417-867-3250 |
Population & Service
| Population Served | 212 |
| Service Connections | 104 |
Drinking Water Violations (51)
This water system has 51 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Nov 1, 2023 | Nov 30, 2023 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Nov 30, 2023 | Revised Total Coliform Rule |
| Nov 1, 2023 | Nov 30, 2023 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Nov 30, 2023 | Revised Total Coliform Rule |
| Nov 1, 2023 | Nov 30, 2023 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Nov 30, 2023 | Revised Total Coliform Rule |
| Nov 1, 2023 | Nov 30, 2023 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Nov 30, 2023 | Revised Total Coliform Rule |
| Jul 1, 2020 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Nov 9, 2020 | Consumer Confidence Rule |
| Jan 1, 2012 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | May 21, 2012 | Lead and Copper Rule |
| Jul 1, 2006 | Jul 31, 2006 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2006 | Total Coliform Rule |
| Jul 1, 2006 | Jul 31, 2006 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2006 | Total Coliform Rule |
| Jul 1, 2006 | Jul 31, 2006 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2006 | Total Coliform Rule |
| Jul 1, 2006 | Jul 31, 2006 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2006 | Total Coliform Rule |
| Nov 1, 2005 | Nov 30, 2005 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2005 | Total Coliform Rule |
| Nov 1, 2005 | Nov 30, 2005 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2005 | Total Coliform Rule |
| Nov 1, 2005 | Nov 30, 2005 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2005 | Total Coliform Rule |
| Nov 1, 2005 | Nov 30, 2005 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2005 | Total Coliform Rule |
| Jul 1, 2005 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | May 14, 2007 | Consumer Confidence Rule |
| Jul 1, 2005 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | May 14, 2007 | Consumer Confidence Rule |
| May 1, 2005 | May 31, 2005 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2005 | Total Coliform Rule |
| May 1, 2005 | May 31, 2005 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2005 | Total Coliform Rule |
| May 1, 2005 | May 31, 2005 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2005 | Total Coliform Rule |
| May 1, 2005 | May 31, 2005 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2005 | Total Coliform Rule |
| Jul 1, 2002 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jan 16, 2003 | Consumer Confidence Rule |
| Dec 1, 1998 | Dec 31, 1998 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 1998 | Total Coliform Rule |
| Nov 1, 1998 | Nov 30, 1998 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Nov 30, 1998 | Total Coliform Rule |
| Oct 1, 1998 | Oct 31, 1998 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 1998 | Total Coliform Rule |
| Oct 1, 1998 | Oct 31, 1998 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 1998 | Total Coliform Rule |
| Oct 1, 1998 | Oct 31, 1998 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 1998 | Total Coliform Rule |
| Sep 1, 1998 | Sep 30, 1998 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 1998 | Total Coliform Rule |
| Sep 1, 1998 | Sep 30, 1998 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 1998 | Total Coliform Rule |
| Sep 1, 1998 | Sep 30, 1998 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 1998 | Total Coliform Rule |
| Sep 1, 1998 | Sep 30, 1998 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 1998 | Total Coliform Rule |
| Oct 1, 1996 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Sep 30, 1996 | Lead and Copper Rule |
| Aug 1, 1996 | Aug 31, 1996 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Aug 31, 1996 | Total Coliform Rule |
| Aug 1, 1996 | Aug 31, 1996 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Aug 31, 1996 | Total Coliform Rule |
| Nov 1, 1995 | Nov 30, 1995 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 1995 | Total Coliform Rule |
| Nov 1, 1995 | Nov 30, 1995 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 1995 | Total Coliform Rule |
| Nov 1, 1995 | Nov 30, 1995 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 1995 | Total Coliform Rule |
| Nov 1, 1995 | Nov 30, 1995 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 1995 | Total Coliform Rule |
| Sep 1, 1995 | Sep 30, 1995 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 1995 | Total Coliform Rule |
| Sep 1, 1995 | Sep 30, 1995 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 1995 | Total Coliform Rule |
| Sep 1, 1995 | Sep 30, 1995 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 1995 | Total Coliform Rule |
| Apr 1, 1995 | Apr 30, 1995 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 1995 | Total Coliform Rule |
| Apr 1, 1995 | Apr 30, 1995 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 1995 | Total Coliform Rule |
| Apr 1, 1995 | Apr 30, 1995 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 1995 | Total Coliform Rule |
| Jan 1, 1995 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 1994 | Lead and Copper Rule |
| Jan 1, 1995 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 1994 | Lead and Copper Rule |
| Mar 1, 1993 | Mar 31, 1993 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 1993 | Total Coliform Rule |
| Mar 1, 1993 | Mar 31, 1993 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 1993 | Total Coliform Rule |
| Mar 1, 1993 | Mar 31, 1993 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 1993 | Total Coliform Rule |
| Dec 1, 1992 | Dec 31, 1992 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Dec 31, 1992 | Total Coliform Rule |
| Dec 1, 1992 | Dec 31, 1992 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Dec 31, 1992 | Total Coliform 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.