21 EXPRESS
Missouri - Transient Non-Community - PWSID: MO4292490
System Information
| PWSID | MO4292490 |
| System Name | 21 EXPRESS |
| System Type | Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 07 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Aug 10, 2002 |
| Last Reported | Mar 25, 2026 |
Location & Contact
| State | Missouri |
| City | IRONTON |
| ZIP Code | 63650-0000 |
| Address | 160 CR 208 |
| Organization | DEMENT, CHRIS |
| Phone | 573-546-5337 |
Population & Service
| Population Served | 75 |
| Service Connections | 1 |
Drinking Water Violations (39)
This water system has 39 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jun 1, 2025 | Jun 30, 2025 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2025 | - | |
| Jun 1, 2025 | Jun 30, 2025 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2025 | - | |
| Jun 1, 2025 | Jun 30, 2025 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2025 | - | |
| Dec 4, 2022 | - | Other | No | No | - | - | - | Resolved | Jul 7, 2024 | - | |
| Oct 1, 2021 | Oct 31, 2021 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2021 | - | |
| Oct 1, 2021 | Oct 31, 2021 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2021 | - | |
| Oct 1, 2021 | Oct 31, 2021 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2021 | - | |
| Oct 1, 2021 | Oct 31, 2021 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2021 | - | |
| Apr 1, 2020 | Apr 30, 2020 | MON | No | Yes | - | - | - | Resolved | Apr 30, 2020 | - | |
| Apr 1, 2020 | Apr 30, 2020 | MON | No | Yes | - | - | - | Resolved | Apr 30, 2020 | - | |
| Apr 1, 2020 | Apr 30, 2020 | MON | No | Yes | - | - | - | Resolved | Apr 30, 2020 | - | |
| Apr 1, 2020 | Apr 30, 2020 | MON | No | Yes | - | - | - | Resolved | Apr 30, 2020 | - | |
| Jan 26, 2020 | - | Other | No | No | - | - | - | Resolved | Jun 23, 2020 | - | |
| Dec 1, 2018 | Dec 31, 2018 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2018 | - | |
| Dec 1, 2018 | Dec 31, 2018 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2018 | - | |
| Dec 1, 2018 | Dec 31, 2018 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2018 | - | |
| Dec 1, 2018 | Dec 31, 2018 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2018 | - | |
| Sep 2, 2018 | - | Other | No | No | - | - | - | Resolved | Nov 6, 2018 | - | |
| Feb 25, 2018 | - | Other | No | No | - | - | - | Resolved | Nov 26, 2018 | - | |
| Jul 1, 2017 | Jul 31, 2017 | MON | No | No | - | - | - | Resolved | Jul 31, 2017 | - | |
| Jul 1, 2017 | Jul 31, 2017 | MON | No | No | - | - | - | Resolved | Jul 31, 2017 | - | |
| Jul 1, 2017 | Jul 31, 2017 | MON | No | No | - | - | - | Resolved | Jul 31, 2017 | - | |
| Jul 1, 2017 | Jul 31, 2017 | MON | No | No | - | - | - | Resolved | Jul 31, 2017 | - | |
| Jan 1, 2017 | Jan 31, 2017 | MON | No | Yes | - | - | - | Resolved | Jan 31, 2017 | - | |
| Jan 1, 2017 | Jan 31, 2017 | MON | No | Yes | - | - | - | Resolved | Jan 31, 2017 | - | |
| Jan 1, 2017 | Jan 31, 2017 | MON | No | Yes | - | - | - | Resolved | Jan 31, 2017 | - | |
| Jan 1, 2017 | Jan 31, 2017 | MON | No | Yes | - | - | - | Resolved | Jan 31, 2017 | - | |
| Jul 1, 2014 | Jul 31, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2014 | - | |
| Jul 1, 2014 | Jul 31, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2014 | - | |
| Jul 1, 2014 | Jul 31, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2014 | - | |
| Jul 1, 2014 | Jul 31, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2014 | - | |
| Aug 1, 2003 | Aug 31, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2003 | - | |
| Aug 1, 2003 | Aug 31, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2003 | - | |
| Aug 1, 2003 | Aug 31, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2003 | - | |
| Nov 1, 2000 | Nov 30, 2000 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2000 | - | |
| Nov 1, 2000 | Nov 30, 2000 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2000 | - | |
| Nov 1, 2000 | Nov 30, 2000 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2000 | - | |
| Nov 1, 2000 | Nov 30, 2000 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2000 | - | |
| - | - | - | No | No | - | - | - | - | - | - |
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.