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 | Mar 25, 2026 |
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 (87)
This water system has 87 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 | MON | No | Yes | — | — | — | Resolved | Nov 30, 2023 | — | |
| Nov 1, 2023 | Nov 30, 2023 | MON | No | Yes | — | — | — | Resolved | Nov 30, 2023 | — | |
| Nov 1, 2023 | Nov 30, 2023 | MON | No | Yes | — | — | — | Resolved | Nov 30, 2023 | — | |
| Nov 1, 2023 | Nov 30, 2023 | MON | No | Yes | — | — | — | Resolved | Nov 30, 2023 | — | |
| Jul 1, 2020 | — | Other | No | No | — | — | — | Resolved | Nov 9, 2020 | — | |
| Jan 1, 2012 | — | MR | No | No | — | TT | — | Resolved | May 21, 2012 | — | |
| Jul 1, 2006 | Jul 31, 2006 | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2006 | — | |
| Jul 1, 2006 | Jul 31, 2006 | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2006 | — | |
| Jul 1, 2006 | Jul 31, 2006 | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2006 | — | |
| Jul 1, 2006 | Jul 31, 2006 | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2006 | — | |
| Nov 1, 2005 | Nov 30, 2005 | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2005 | — | |
| Nov 1, 2005 | Nov 30, 2005 | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2005 | — | |
| Nov 1, 2005 | Nov 30, 2005 | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2005 | — | |
| Nov 1, 2005 | Nov 30, 2005 | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2005 | — | |
| Jul 1, 2005 | — | Other | No | No | — | — | — | Resolved | May 14, 2007 | — | |
| Jul 1, 2005 | — | Other | No | No | — | — | — | Resolved | May 14, 2007 | — | |
| May 1, 2005 | May 31, 2005 | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2005 | — | |
| May 1, 2005 | May 31, 2005 | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2005 | — | |
| May 1, 2005 | May 31, 2005 | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2005 | — | |
| May 1, 2005 | May 31, 2005 | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2005 | — | |
| Jul 1, 2002 | — | Other | No | No | — | — | — | Resolved | Jan 16, 2003 | — | |
| Dec 1, 1998 | Dec 31, 1998 | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 1998 | — | |
| Dec 1, 1998 | Dec 31, 1998 | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 1998 | — | |
| Dec 1, 1998 | Dec 31, 1998 | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 1998 | — | |
| Dec 1, 1998 | Dec 31, 1998 | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 1998 | — | |
| Dec 1, 1998 | Dec 31, 1998 | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 1998 | — | |
| Nov 1, 1998 | Nov 30, 1998 | MCL | Yes | No | — | 5% of samples | — | Resolved | Nov 30, 1998 | — | |
| Nov 1, 1998 | Nov 30, 1998 | MCL | Yes | No | — | 5% of samples | — | Resolved | Nov 30, 1998 | — | |
| Nov 1, 1998 | Nov 30, 1998 | MCL | Yes | No | — | 5% of samples | — | Resolved | Nov 30, 1998 | — | |
| Nov 1, 1998 | Nov 30, 1998 | MCL | Yes | No | — | 5% of samples | — | Resolved | Nov 30, 1998 | — | |
| Nov 1, 1998 | Nov 30, 1998 | MCL | Yes | No | — | 5% of samples | — | Resolved | Nov 30, 1998 | — | |
| Oct 1, 1998 | Oct 31, 1998 | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 1998 | — | |
| Oct 1, 1998 | Oct 31, 1998 | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 1998 | — | |
| Oct 1, 1998 | Oct 31, 1998 | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 1998 | — | |
| Oct 1, 1998 | Oct 31, 1998 | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 1998 | — | |
| Oct 1, 1998 | Oct 31, 1998 | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 1998 | — | |
| Oct 1, 1998 | Oct 31, 1998 | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 1998 | — | |
| Oct 1, 1998 | Oct 31, 1998 | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 1998 | — | |
| Oct 1, 1998 | Oct 31, 1998 | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 1998 | — | |
| Oct 1, 1998 | Oct 31, 1998 | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 1998 | — | |
| Oct 1, 1998 | Oct 31, 1998 | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 1998 | — | |
| Oct 1, 1998 | Oct 31, 1998 | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 1998 | — | |
| Oct 1, 1998 | Oct 31, 1998 | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 1998 | — | |
| Sep 1, 1998 | Sep 30, 1998 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 1998 | — | |
| Sep 1, 1998 | Sep 30, 1998 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 1998 | — | |
| Sep 1, 1998 | Sep 30, 1998 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 1998 | — | |
| Sep 1, 1998 | Sep 30, 1998 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 1998 | — | |
| Sep 1, 1998 | Sep 30, 1998 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 1998 | — | |
| Sep 1, 1998 | Sep 30, 1998 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 1998 | — | |
| Mar 1, 1997 | Mar 31, 1997 | MCL | Yes | No | — | 5% of samples | — | Archived | Mar 31, 1997 | — |
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.