HAYFIELD WATER WORKS
Missouri - Community Water System - PWSID: MO6031237
System Information
| PWSID | MO6031237 |
| System Name | HAYFIELD WATER WORKS |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 07 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Apr 16, 1998 |
| Last Reported | Mar 25, 2026 |
Location & Contact
| State | Missouri |
| City | EUREKA |
| ZIP Code | 63025-0000 |
| Address | - |
| Organization | MARTIN, WENDI |
| Phone | 636-271-2653 |
Population & Service
| Population Served | 45 |
| Service Connections | 10 |
Drinking Water Violations (34)
This water system has 34 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 2024 | - | MR | No | No | - | TT | - | Resolved | Apr 7, 2025 | - | |
| 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 | - | |
| Dec 1, 2012 | - | MR | No | Yes | - | - | - | Resolved | Sep 4, 2014 | - | |
| Dec 1, 2012 | - | MR | No | Yes | - | - | - | Resolved | Sep 4, 2014 | - | |
| Dec 1, 2012 | - | MR | No | Yes | - | - | - | Resolved | Sep 4, 2014 | - | |
| Dec 1, 2012 | - | MR | No | Yes | - | - | - | Resolved | Sep 4, 2014 | - | |
| Nov 1, 2012 | Nov 30, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2012 | - | |
| Nov 1, 2012 | Nov 30, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2012 | - | |
| Nov 1, 2012 | Nov 30, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2012 | - | |
| Nov 1, 2012 | Nov 30, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2012 | - | |
| Sep 1, 2010 | Sep 30, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2010 | - | |
| Sep 1, 2010 | Sep 30, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2010 | - | |
| Sep 1, 2010 | Sep 30, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2010 | - | |
| Sep 1, 2010 | Sep 30, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2010 | - | |
| Jun 1, 2008 | Jun 30, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2008 | - | |
| Jun 1, 2008 | Jun 30, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2008 | - | |
| Jun 1, 2008 | Jun 30, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2008 | - | |
| Jun 1, 2008 | Jun 30, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2008 | - | |
| Jun 1, 2007 | Jun 30, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2007 | - | |
| Jun 1, 2007 | Jun 30, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2007 | - | |
| Jun 1, 2007 | Jun 30, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2007 | - | |
| Jun 1, 2007 | Jun 30, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2007 | - | |
| Jul 1, 2003 | - | Other | No | No | - | - | - | Resolved | Jun 28, 2004 | - | |
| Jul 1, 2002 | - | Other | No | No | - | - | - | Resolved | Jun 28, 2004 | - | |
| Jan 1, 2002 | Jan 31, 2002 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 2002 | - | |
| Jan 1, 2002 | Jan 31, 2002 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 2002 | - | |
| Jan 1, 2002 | Jan 31, 2002 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 2002 | - | |
| Jan 1, 2002 | Jan 31, 2002 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 2002 | - | |
| Oct 1, 1999 | Oct 31, 1999 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 1999 | - | |
| Oct 1, 1999 | Oct 31, 1999 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 1999 | - | |
| Oct 1, 1999 | Oct 31, 1999 | MR | No | No | - | 5% of samples | - | Resolved | Oct 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.