PORTAGE DES SIOUX PWS
Missouri - Community Water System - PWSID: MO6010657
System Information
| PWSID | MO6010657 |
| System Name | PORTAGE DES SIOUX 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 | PORTAGE DES SIOUX |
| ZIP Code | 63373-0000 |
| Address | 1525 WASHINGTON |
| Organization | WARNER, MARK D |
| Phone | 636-899-0640 |
Population & Service
| Population Served | 345 |
| Service Connections | 165 |
Drinking Water Violations (115)
This water system has 115 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, 2019 | - | Other | No | No | - | - | - | Resolved | Nov 26, 2019 | - | |
| Apr 1, 2019 | Apr 30, 2019 | MON | No | No | - | - | - | Resolved | Apr 30, 2019 | - | |
| Apr 1, 2019 | Apr 30, 2019 | MON | No | No | - | - | - | Resolved | Apr 30, 2019 | - | |
| Apr 1, 2019 | Apr 30, 2019 | MON | No | No | - | - | - | Resolved | Apr 30, 2019 | - | |
| Apr 1, 2019 | Apr 30, 2019 | MON | No | No | - | - | - | Resolved | Apr 30, 2019 | - | |
| Jun 1, 2016 | Jun 30, 2016 | MON | No | No | - | - | - | Resolved | Jun 30, 2016 | - | |
| Jun 1, 2016 | Jun 30, 2016 | MON | No | No | - | - | - | Resolved | Jun 30, 2016 | - | |
| Jun 1, 2016 | Jun 30, 2016 | MON | No | No | - | - | - | Resolved | Jun 30, 2016 | - | |
| Jun 1, 2016 | Jun 30, 2016 | MON | No | No | - | - | - | Resolved | Jun 30, 2016 | - | |
| Feb 7, 2016 | - | Other | No | No | - | - | - | Resolved | Sep 9, 2019 | - | |
| Oct 24, 2015 | - | TT | Yes | No | - | - | - | Resolved | Feb 4, 2019 | - | |
| Oct 24, 2015 | - | TT | Yes | No | - | - | - | Resolved | Feb 4, 2019 | - | |
| Oct 24, 2015 | - | TT | Yes | No | - | - | - | Resolved | Feb 4, 2019 | - | |
| Oct 24, 2015 | - | TT | Yes | No | - | - | - | Resolved | Feb 4, 2019 | - | |
| Jun 1, 2014 | Jun 30, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2014 | - | |
| Jun 1, 2014 | Jun 30, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2014 | - | |
| Jun 1, 2014 | Jun 30, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2014 | - | |
| Jun 1, 2014 | Jun 30, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2014 | - | |
| Jul 1, 2013 | - | Other | No | No | - | - | - | Resolved | Sep 2, 2014 | - | |
| Jun 1, 2013 | Jun 30, 2013 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2013 | - | |
| Jun 1, 2013 | Jun 30, 2013 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2013 | - | |
| Jun 1, 2013 | Jun 30, 2013 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2013 | - | |
| Jun 1, 2013 | Jun 30, 2013 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2013 | - | |
| Mar 1, 2013 | Mar 31, 2013 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2013 | - | |
| Mar 1, 2013 | Mar 31, 2013 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2013 | - | |
| Mar 1, 2013 | Mar 31, 2013 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2013 | - | |
| Mar 1, 2013 | Mar 31, 2013 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2013 | - | |
| Dec 1, 2010 | Dec 31, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2010 | - | |
| Dec 1, 2010 | Dec 31, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2010 | - | |
| Dec 1, 2010 | Dec 31, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2010 | - | |
| Dec 1, 2010 | Dec 31, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2010 | - | |
| Nov 1, 2010 | Nov 30, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2010 | - | |
| Nov 1, 2010 | Nov 30, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2010 | - | |
| Nov 1, 2010 | Nov 30, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2010 | - | |
| Nov 1, 2010 | Nov 30, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2010 | - | |
| Sep 1, 2010 | Sep 30, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2010 | - | |
| Sep 1, 2010 | Sep 30, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2010 | - | |
| Sep 1, 2010 | Sep 30, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2010 | - | |
| Sep 1, 2010 | Sep 30, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2010 | - | |
| Aug 1, 2007 | Aug 31, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2007 | - | |
| Aug 1, 2007 | Aug 31, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2007 | - | |
| Aug 1, 2007 | Aug 31, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2007 | - | |
| Aug 1, 2007 | Aug 31, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2007 | - | |
| Aug 1, 2007 | Aug 31, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2007 | - | |
| Aug 1, 2007 | Aug 31, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2007 | - | |
| Jan 1, 2003 | - | MR | No | No | - | TT | - | Resolved | Sep 10, 2004 | - | |
| Jan 1, 1999 | Jan 31, 1999 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 1999 | - | |
| Jan 1, 1999 | Jan 31, 1999 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 1999 | - | |
| Jan 1, 1999 | Jan 31, 1999 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 1999 | - | |
| Jan 1, 1999 | Jan 31, 1999 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 1999 | - |
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.