MARSHALL
Oklahoma — Community Water System — PWSID: OK3004201
System Information
| PWSID | OK3004201 |
| System Name | MARSHALL |
| System Type | Community Water System |
| Water Source | Ground Water Purchased |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 06 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jan 5, 1982 |
| Last Reported | Feb 18, 2026 |
Location & Contact
| State | Oklahoma |
| City | MARSHALL |
| ZIP Code | 73056 |
| Address | Janet Hicks |
| Organization | MARSHALL |
| Phone | 580-935-6624 |
Population & Service
| Population Served | 258 |
| Service Connections | 150 |
Drinking Water Violations (48)
This water system has 48 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, 2025 | — | Other | No | No | — | — | — | Resolved | Jun 10, 2025 | — | |
| Jul 1, 2024 | — | Other | No | No | — | — | — | Resolved | Jun 10, 2025 | — | |
| Jul 1, 2024 | — | Other | No | No | — | — | — | Resolved | Jun 10, 2025 | — | |
| Oct 2, 2022 | — | Other | No | No | — | — | — | Resolved | Oct 4, 2022 | — | |
| Oct 2, 2022 | — | Other | No | No | — | — | — | Resolved | Oct 4, 2022 | — | |
| Jul 1, 2017 | — | Other | No | No | — | — | — | Resolved | Dec 12, 2017 | — | |
| Jul 1, 2017 | — | Other | No | No | — | — | — | Resolved | Dec 12, 2017 | — | |
| Jul 1, 2014 | — | Other | No | No | — | — | — | Resolved | Mar 21, 2016 | — | |
| Jul 1, 2014 | — | Other | No | No | — | — | — | Resolved | Mar 21, 2016 | — | |
| Feb 1, 2010 | Feb 28, 2010 | MR | No | No | — | 5% of samples | — | Resolved | Feb 28, 2010 | — | |
| Feb 1, 2010 | Feb 28, 2010 | MR | No | No | — | 5% of samples | — | Resolved | Feb 28, 2010 | — | |
| Feb 1, 2010 | Feb 28, 2010 | MR | No | No | — | 5% of samples | — | Resolved | Feb 28, 2010 | — | |
| Jan 1, 2010 | Jan 31, 2010 | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 2010 | — | |
| Jan 1, 2010 | Jan 31, 2010 | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 2010 | — | |
| Jan 1, 2010 | Jan 31, 2010 | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 2010 | — | |
| Jan 1, 2010 | Jan 31, 2010 | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 2010 | — | |
| Jul 1, 2008 | — | Other | No | No | — | — | — | Resolved | Mar 23, 2011 | — | |
| Jul 1, 2008 | — | Other | No | No | — | — | — | Resolved | Mar 23, 2011 | — | |
| Jul 1, 2007 | — | Other | No | No | — | — | — | Resolved | Mar 23, 2011 | — | |
| Jul 1, 2007 | — | Other | No | No | — | — | — | Resolved | Mar 23, 2011 | — | |
| Jan 1, 2007 | Mar 31, 2007 | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2007 | — | |
| Jan 1, 2007 | Mar 31, 2007 | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2007 | — | |
| Jan 1, 2007 | Mar 31, 2007 | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2007 | — | |
| Jan 1, 2007 | Mar 31, 2007 | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2007 | — | |
| Jul 1, 2006 | — | Other | No | No | — | — | — | Resolved | Mar 23, 2011 | — | |
| Jul 1, 2006 | — | Other | No | No | — | — | — | Resolved | Mar 23, 2011 | — | |
| Oct 1, 2005 | Dec 31, 2005 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2005 | — | |
| Oct 1, 2005 | Dec 31, 2005 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2005 | — | |
| Oct 1, 2005 | Dec 31, 2005 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2005 | — | |
| Oct 1, 2005 | Dec 31, 2005 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2005 | — | |
| Jan 1, 2004 | Mar 31, 2004 | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2004 | — | |
| Jan 1, 2004 | Mar 31, 2004 | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2004 | — | |
| Jan 1, 2004 | Mar 31, 2004 | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2004 | — | |
| Jan 1, 2004 | Mar 31, 2004 | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2004 | — | |
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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.