DEFIANCE WATER DEPARTMENT
Iowa — Community Water System — PWSID: IA8315018
System Information
| PWSID | IA8315018 |
| System Name | DEFIANCE WATER DEPARTMENT |
| 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 | Feb 27, 1979 |
| Last Reported | Mar 17, 2026 |
Location & Contact
| State | Iowa |
| City | DEFIANCE |
| ZIP Code | 51527 |
| Address | ATTN GARY MUHLBAUER WATER SUPT |
| Organization | DEFIANCE WATER DEPARTMENT |
| Phone | 712-748-3430 |
Population & Service
| Population Served | 250 |
| Service Connections | 145 |
Drinking Water Violations (205)
This water system has 205 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| May 1, 2024 | May 31, 2024 | MON | No | Yes | — | — | — | Resolved | May 31, 2024 | — | |
| May 1, 2024 | May 31, 2024 | MON | No | Yes | — | — | — | Resolved | May 31, 2024 | — | |
| May 1, 2024 | May 31, 2024 | MON | No | Yes | — | — | — | Resolved | May 31, 2024 | — | |
| May 1, 2024 | May 31, 2024 | MON | No | Yes | — | — | — | Resolved | May 31, 2024 | — | |
| Dec 1, 2023 | — | MR | No | No | — | TT | — | Resolved | Feb 7, 2024 | — | |
| Dec 1, 2023 | — | MR | No | No | — | TT | — | Resolved | Feb 7, 2024 | — | |
| Jul 1, 2022 | — | Other | No | No | — | — | — | Resolved | Sep 9, 2022 | — | |
| Jul 1, 2022 | — | Other | No | No | — | — | — | Resolved | Sep 9, 2022 | — | |
| Jul 1, 2022 | — | Other | No | No | — | — | — | Resolved | Sep 9, 2022 | — | |
| Jan 1, 2021 | Jan 31, 2021 | MON | No | Yes | — | — | — | Resolved | Jan 31, 2021 | — | |
| Jan 1, 2021 | Jan 31, 2021 | MON | No | Yes | — | — | — | Resolved | Jan 31, 2021 | — | |
| Jan 1, 2021 | Jan 31, 2021 | MON | No | Yes | — | — | — | Resolved | Jan 31, 2021 | — | |
| Jan 1, 2021 | Jan 31, 2021 | MON | No | Yes | — | — | — | Resolved | Jan 31, 2021 | — | |
| Jul 1, 2014 | — | Other | No | No | — | — | — | Resolved | Jul 13, 2015 | — | |
| Jul 1, 2014 | — | Other | No | No | — | — | — | Resolved | Jul 13, 2015 | — | |
| Jul 1, 2014 | — | Other | No | No | — | — | — | Resolved | Jul 13, 2015 | — | |
| Jul 1, 2013 | Jul 31, 2013 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Jul 31, 2013 | — | |
| Jul 1, 2013 | Jul 31, 2013 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Jul 31, 2013 | — | |
| Jul 1, 2013 | Jul 31, 2013 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jul 31, 2013 | — | |
| Jul 1, 2013 | — | Other | No | No | — | — | — | Resolved | Oct 17, 2013 | — | |
| Jul 1, 2013 | Jul 31, 2013 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jul 31, 2013 | — | |
| Jul 1, 2013 | Jul 31, 2013 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jul 31, 2013 | — | |
| Jul 1, 2013 | — | Other | No | No | — | — | — | Resolved | Oct 17, 2013 | — | |
| Jul 1, 2013 | Jul 31, 2013 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Jul 31, 2013 | — | |
| Jul 1, 2013 | Jul 31, 2013 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jul 31, 2013 | — | |
| Jul 1, 2013 | Jul 31, 2013 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Jul 31, 2013 | — | |
| May 1, 2013 | May 31, 2013 | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2013 | — | |
| May 1, 2013 | May 31, 2013 | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2013 | — | |
| May 1, 2013 | May 31, 2013 | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2013 | — | |
| May 1, 2013 | May 31, 2013 | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2013 | — | |
| Apr 1, 2009 | Jun 30, 2009 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 2, 2009 | — | |
| Apr 1, 2009 | Jun 30, 2009 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 2, 2009 | — | |
| Apr 1, 2009 | Apr 30, 2009 | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2009 | — | |
| Apr 1, 2009 | Apr 30, 2009 | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2009 | — | |
| Apr 1, 2009 | Apr 30, 2009 | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2009 | — | |
| Apr 1, 2009 | Apr 30, 2009 | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2009 | — | |
| Apr 1, 2009 | Jun 30, 2009 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 2, 2009 | — | |
| Apr 1, 2009 | Jun 30, 2009 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 2, 2009 | — | |
| Apr 1, 2008 | Jun 30, 2008 | MR | No | Yes | — | 0.4 mg/L | — | Resolved | Jun 30, 2008 | — | |
| Apr 1, 2008 | Jun 30, 2008 | MR | No | Yes | — | 0.4 mg/L | — | Resolved | Jun 30, 2008 | — | |
| Apr 1, 2008 | Jun 30, 2008 | MR | No | Yes | — | 0.4 mg/L | — | Resolved | Jun 30, 2008 | — | |
| Apr 1, 2008 | Jun 30, 2008 | MR | No | Yes | — | 0.4 mg/L | — | Resolved | Jun 30, 2008 | — | |
| Nov 1, 2002 | Nov 30, 2002 | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2002 | — | |
| Nov 1, 2002 | Nov 30, 2002 | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2002 | — | |
| Nov 1, 2002 | Nov 30, 2002 | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2002 | — | |
| Nov 1, 2002 | Nov 30, 2002 | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2002 | — | |
| Oct 1, 2001 | Sep 30, 2007 | MR | No | Yes | — | 1 mg/L | — | Resolved | Sep 30, 2007 | — | |
| Oct 1, 2001 | Sep 30, 2007 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Sep 30, 2007 | — | |
| Oct 1, 2001 | Sep 30, 2007 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Sep 30, 2007 | — | |
| Oct 1, 2001 | Sep 30, 2007 | MR | No | Yes | — | 1 mg/L | — | Resolved | Sep 30, 2007 | — |
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.