TIMBER RIDGE
Iowa - Community Water System - PWSID: IA0600600
System Information
| PWSID | IA0600600 |
| System Name | TIMBER RIDGE |
| System Type | Community Water System |
| Water Source | GUP |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 07 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 27, 1979 |
| Last Reported | Mar 17, 2026 |
Location & Contact
| State | Iowa |
| City | DEWITT |
| ZIP Code | 52742 |
| Address | ATTN KATHLEEN BIERMAN |
| Organization | TIMBER RIDGE |
| Phone | 319-654-0795 |
Population & Service
| Population Served | 225 |
| Service Connections | 116 |
Drinking Water Violations (245)
This water system has 245 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, 2022 | - | Other | No | No | - | - | - | Resolved | Sep 12, 2022 | - | |
| Jul 1, 2022 | - | Other | No | No | - | - | - | Resolved | Sep 12, 2022 | - | |
| Feb 1, 2018 | Feb 28, 2018 | MON | No | Yes | - | - | - | Resolved | Feb 28, 2018 | - | |
| Feb 1, 2018 | Feb 28, 2018 | MON | No | Yes | - | - | - | Resolved | Feb 28, 2018 | - | |
| Feb 1, 2018 | Feb 28, 2018 | MON | No | Yes | - | - | - | Resolved | Feb 28, 2018 | - | |
| Feb 1, 2018 | Feb 28, 2018 | MON | No | Yes | - | - | - | Resolved | Feb 28, 2018 | - | |
| Nov 1, 2017 | Nov 30, 2017 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2017 | - | |
| Nov 1, 2017 | Nov 30, 2017 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2017 | - | |
| Nov 1, 2017 | Nov 30, 2017 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2017 | - | |
| Nov 1, 2017 | Nov 30, 2017 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2017 | - | |
| Aug 1, 2017 | Aug 31, 2017 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2017 | - | |
| Aug 1, 2017 | Aug 31, 2017 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 31, 2017 | - | |
| Aug 1, 2017 | Aug 31, 2017 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 31, 2017 | - | |
| Aug 1, 2017 | Aug 31, 2017 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 31, 2017 | - | |
| Aug 1, 2017 | Aug 31, 2017 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2017 | - | |
| Aug 1, 2017 | Aug 31, 2017 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2017 | - | |
| Aug 1, 2017 | Aug 31, 2017 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2017 | - | |
| Aug 1, 2017 | Aug 31, 2017 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 31, 2017 | - | |
| Jul 1, 2017 | - | Other | No | No | - | - | - | Resolved | Apr 3, 2018 | - | |
| Jul 1, 2017 | - | Other | No | No | - | - | - | Resolved | Apr 3, 2018 | - | |
| Sep 1, 2013 | Sep 30, 2013 | MCL | Yes | No | 1.7 MG/L | 1 mg/L | - | Resolved | Sep 30, 2013 | - | |
| Sep 1, 2013 | Sep 30, 2013 | MCL | Yes | No | 1.7 MG/L | 1 mg/L | - | Resolved | Sep 30, 2013 | - | |
| Sep 1, 2013 | Sep 30, 2013 | MCL | Yes | No | 1.7 MG/L | 1 mg/L | - | Resolved | Sep 30, 2013 | - | |
| Sep 1, 2013 | Sep 30, 2013 | MCL | Yes | No | 1.7 MG/L | 1 mg/L | - | Resolved | Sep 30, 2013 | - | |
| Sep 1, 2013 | Sep 30, 2013 | MCL | Yes | No | 1.7 MG/L | 1 mg/L | - | Resolved | Sep 30, 2013 | - | |
| Sep 1, 2012 | Sep 30, 2012 | MR | No | Yes | - | 1 mg/L | - | Resolved | Sep 30, 2012 | - | |
| Sep 1, 2012 | Sep 30, 2012 | MR | No | Yes | - | 1 mg/L | - | Resolved | Sep 30, 2012 | - | |
| Sep 1, 2012 | Sep 30, 2012 | MR | No | Yes | - | 1 mg/L | - | Resolved | Sep 30, 2012 | - | |
| Sep 1, 2012 | Sep 30, 2012 | MR | No | Yes | - | 1 mg/L | - | Resolved | Sep 30, 2012 | - | |
| Dec 1, 2011 | Dec 31, 2011 | MCL | Yes | No | 1.6 MG/L | 1 mg/L | - | Resolved | Dec 31, 2011 | - | |
| Dec 1, 2011 | Dec 31, 2011 | MCL | Yes | No | 1.6 MG/L | 1 mg/L | - | Resolved | Dec 31, 2011 | - | |
| Dec 1, 2011 | Dec 31, 2011 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 2011 | - | |
| Dec 1, 2011 | Dec 31, 2011 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 2011 | - | |
| Dec 1, 2011 | Dec 31, 2011 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 2011 | - | |
| Dec 1, 2011 | Dec 31, 2011 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 2011 | - | |
| Dec 1, 2011 | Dec 31, 2011 | MCL | Yes | No | 1.6 MG/L | 1 mg/L | - | Resolved | Dec 31, 2011 | - | |
| Dec 1, 2011 | Dec 31, 2011 | MCL | Yes | No | 1.6 MG/L | 1 mg/L | - | Resolved | Dec 31, 2011 | - | |
| Dec 1, 2011 | Dec 31, 2011 | MCL | Yes | No | 1.6 MG/L | 1 mg/L | - | Resolved | Dec 31, 2011 | - | |
| Sep 1, 2010 | Sep 30, 2010 | MR | No | Yes | - | 1 mg/L | - | Resolved | Sep 30, 2010 | - | |
| Sep 1, 2010 | Sep 30, 2010 | MR | No | Yes | - | 1 mg/L | - | Resolved | Sep 30, 2010 | - | |
| Sep 1, 2010 | Sep 30, 2010 | MR | No | Yes | - | 1 mg/L | - | Resolved | Sep 30, 2010 | - | |
| Sep 1, 2010 | Sep 30, 2010 | MR | No | Yes | - | 1 mg/L | - | Resolved | Sep 30, 2010 | - | |
| Jul 1, 2009 | Aug 31, 2011 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 31, 2011 | - | |
| Jul 1, 2009 | Aug 31, 2011 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2011 | - | |
| Jul 1, 2009 | Aug 31, 2011 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2011 | - | |
| Jul 1, 2009 | Aug 31, 2011 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2011 | - | |
| Jul 1, 2009 | Aug 31, 2011 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 31, 2011 | - | |
| Jul 1, 2009 | Aug 31, 2011 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 31, 2011 | - | |
| Jul 1, 2009 | Aug 31, 2011 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 31, 2011 | - | |
| Jul 1, 2009 | Aug 31, 2011 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2011 | - |
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.