WIOTA WATER WORKS
Iowa - Community Water System - PWSID: IA1570032
System Information
| PWSID | IA1570032 |
| System Name | WIOTA WATER WORKS |
| 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 | WIOTA |
| ZIP Code | 50274 |
| Address | ATTN MARK HANSEN |
| Organization | WIOTA WATER WORKS |
| Phone | 712-249-3697 |
Population & Service
| Population Served | 95 |
| Service Connections | 70 |
Drinking Water Violations (176)
This water system has 176 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Aug 1, 2025 | Aug 31, 2025 | MR | No | Yes | - | 0.080 mg/L | - | Archived | Aug 31, 2025 | - | |
| Aug 1, 2025 | Aug 31, 2025 | MR | No | Yes | - | 0.060 mg/L | - | Archived | Aug 31, 2025 | - | |
| Jul 1, 2023 | - | Other | No | No | - | - | - | Resolved | Jul 17, 2024 | - | |
| Jul 1, 2023 | - | Other | No | No | - | - | - | Resolved | Jul 17, 2024 | - | |
| Jul 1, 2022 | - | Other | No | No | - | - | - | Resolved | Jul 17, 2024 | - | |
| Jul 1, 2022 | - | Other | No | No | - | - | - | Resolved | Jul 17, 2024 | - | |
| Jul 1, 2019 | Jun 30, 2025 | MR | No | Yes | - | 5 pCi/L | - | Archived | Jun 30, 2025 | - | |
| Jul 1, 2018 | Jun 30, 2024 | MR | No | Yes | - | 5 pCi/L | - | Archived | Jun 30, 2024 | - | |
| Jul 1, 2018 | Jun 30, 2024 | MR | No | Yes | - | 5 pCi/L | - | Archived | Jun 30, 2024 | - | |
| Jul 1, 2014 | - | Other | No | No | - | - | - | Resolved | Nov 27, 2014 | - | |
| Jul 1, 2014 | - | Other | No | No | - | - | - | Resolved | Nov 27, 2014 | - | |
| Jul 1, 2012 | - | Other | No | No | - | - | - | Resolved | Nov 2, 2012 | - | |
| Jun 1, 2011 | - | MR | No | No | - | TT | - | Resolved | Aug 29, 2012 | - | |
| Jun 1, 2011 | - | MR | No | No | - | TT | - | Resolved | Aug 29, 2012 | - | |
| Jun 1, 2011 | - | MR | No | No | - | TT | - | Resolved | Aug 29, 2012 | - | |
| Jul 1, 2010 | Aug 31, 2012 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 31, 2012 | - | |
| Jul 1, 2010 | Aug 31, 2012 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 31, 2012 | - | |
| Jul 1, 2010 | Aug 31, 2012 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 31, 2012 | - | |
| Jul 1, 2010 | Aug 31, 2012 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2012 | - | |
| Jul 1, 2010 | Aug 31, 2012 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 31, 2012 | - | |
| Jul 1, 2010 | Aug 31, 2012 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2012 | - | |
| Jul 1, 2010 | Aug 31, 2012 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2012 | - | |
| Jul 1, 2010 | Aug 31, 2012 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2012 | - | |
| Aug 1, 2007 | Aug 31, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2007 | - | |
| Aug 1, 2007 | Aug 31, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2007 | - | |
| Aug 1, 2007 | Aug 31, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2007 | - | |
| Aug 1, 2007 | Aug 31, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2007 | - | |
| Jul 1, 2007 | Jul 31, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2007 | - | |
| Jul 1, 2007 | Jul 31, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2007 | - | |
| Jul 1, 2007 | Jul 31, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2007 | - | |
| Jul 1, 2007 | Jul 31, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2007 | - | |
| Jul 1, 2007 | Jul 31, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2007 | - | |
| Jul 1, 2007 | Jul 31, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2007 | - | |
| Jul 1, 2007 | Jul 31, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2007 | - | |
| Jul 1, 2007 | Jul 31, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2007 | - | |
| Jul 1, 2007 | Jul 31, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2007 | - | |
| Jul 1, 2007 | Jul 31, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2007 | - | |
| Jul 1, 2007 | Jul 31, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2007 | - | |
| Jul 1, 2007 | Jul 31, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2007 | - | |
| Jul 1, 2007 | Jul 31, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2007 | - | |
| Jul 1, 2007 | Jul 31, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2007 | - | |
| Jan 1, 1995 | Jan 31, 1995 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jan 31, 1995 | - | |
| Jan 1, 1995 | Jan 31, 1995 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jan 31, 1995 | - | |
| Jan 1, 1995 | Jan 31, 1995 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jan 31, 1995 | - | |
| Jan 1, 1995 | Jan 31, 1995 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jan 31, 1995 | - | |
| Jul 1, 1994 | Jul 31, 1994 | MCL | Yes | No | 12.19 | 10 mg/L | - | Resolved | Jul 31, 1994 | - | |
| Jul 1, 1994 | Sep 30, 1994 | MR | No | Yes | - | 10 mg/L | - | Resolved | Sep 30, 1994 | - | |
| Jul 1, 1994 | Sep 30, 1994 | MR | No | Yes | - | 10 mg/L | - | Resolved | Sep 30, 1994 | - | |
| Jul 1, 1994 | Jul 31, 1994 | MCL | Yes | No | 12.19 | 10 mg/L | - | Resolved | Jul 31, 1994 | - | |
| Jul 1, 1994 | Jul 31, 1994 | MCL | Yes | No | 12.19 | 10 mg/L | - | Resolved | Jul 31, 1994 | - |
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.