TWIN OAK CAMP GROUND
Iowa - Transient Non-Community - PWSID: IA1716424
System Information
| PWSID | IA1716424 |
| System Name | TWIN OAK CAMP GROUND |
| System Type | Transient Non-Community |
| Water Source | Ground Water |
| 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 | CLEAR LAKE |
| ZIP Code | 50428 |
| Address | ATTN MARK VANDERPLOEG |
| Organization | TWIN OAKS CAMPGRND C/O NORTH IOWA WATER |
| Phone | 641-357-3614 |
Population & Service
| Population Served | 54 |
| Service Connections | 52 |
Drinking Water Violations (40)
This water system has 40 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Apr 1, 2023 | - | TT | Yes | No | - | - | - | Resolved | Sep 11, 2023 | - | |
| Apr 1, 2023 | - | TT | Yes | No | - | - | - | Resolved | Sep 11, 2023 | - | |
| Apr 1, 2023 | - | TT | Yes | No | - | - | - | Resolved | Sep 11, 2023 | - | |
| Apr 1, 2023 | - | TT | Yes | No | - | - | - | Resolved | Sep 11, 2023 | - | |
| Oct 1, 2021 | Oct 31, 2021 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2021 | - | |
| Oct 1, 2021 | Oct 31, 2021 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2021 | - | |
| Oct 1, 2021 | Oct 31, 2021 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2021 | - | |
| Oct 1, 2021 | Oct 31, 2021 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2021 | - | |
| Oct 1, 2021 | Oct 31, 2021 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2021 | - | |
| Oct 1, 2021 | Oct 31, 2021 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2021 | - | |
| Jun 1, 2018 | - | TT | Yes | No | - | - | - | Resolved | Sep 18, 2018 | - | |
| Jun 1, 2018 | - | TT | Yes | No | - | - | - | Resolved | Sep 18, 2018 | - | |
| Jun 1, 2018 | - | TT | Yes | No | - | - | - | Resolved | Sep 18, 2018 | - | |
| Jun 1, 2018 | - | TT | Yes | No | - | - | - | Resolved | Sep 18, 2018 | - | |
| Jun 1, 2018 | - | TT | Yes | No | - | - | - | Resolved | Sep 18, 2018 | - | |
| Jul 1, 2012 | Jul 31, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2012 | - | |
| Jul 1, 2012 | Jul 31, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2012 | - | |
| Jul 1, 2012 | Jul 31, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2012 | - | |
| Jul 1, 2012 | Jul 31, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2012 | - | |
| Jul 1, 2011 | Sep 30, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2011 | - | |
| Jul 1, 2011 | Jun 30, 2012 | MR | No | Yes | - | 10 mg/L | - | Resolved | Jun 30, 2012 | - | |
| Jul 1, 2011 | Jun 30, 2012 | MR | No | Yes | - | 10 mg/L | - | Resolved | Jun 30, 2012 | - | |
| Jul 1, 2011 | Jun 30, 2012 | MR | No | Yes | - | 10 mg/L | - | Resolved | Jun 30, 2012 | - | |
| Jul 1, 2011 | Jun 30, 2012 | MR | No | Yes | - | 10 mg/L | - | Resolved | Jun 30, 2012 | - | |
| Jul 1, 2011 | Sep 30, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2011 | - | |
| Jul 1, 2011 | Sep 30, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2011 | - | |
| Jul 1, 2009 | Sep 30, 2009 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2009 | - | |
| Jul 1, 2009 | Sep 30, 2009 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2009 | - | |
| Jul 1, 2009 | Sep 30, 2009 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2009 | - | |
| Jul 1, 2009 | Sep 30, 2009 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2009 | - | |
| Oct 1, 2007 | Sep 30, 2008 | MR | No | Yes | - | 10 mg/L | - | Resolved | Sep 30, 2008 | - | |
| Oct 1, 2007 | Sep 30, 2008 | MR | No | Yes | - | 10 mg/L | - | Resolved | Sep 30, 2008 | - | |
| Oct 1, 2007 | Sep 30, 2008 | MR | No | Yes | - | 10 mg/L | - | Resolved | Sep 30, 2008 | - | |
| Oct 1, 2007 | Sep 30, 2008 | MR | No | Yes | - | 10 mg/L | - | Resolved | Sep 30, 2008 | - | |
| Oct 1, 2007 | Sep 30, 2008 | MR | No | Yes | - | 10 mg/L | - | Resolved | Sep 30, 2008 | - | |
| Sep 1, 2006 | Sep 30, 2006 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2006 | - | |
| Sep 1, 2006 | Sep 30, 2006 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2006 | - | |
| Sep 1, 2006 | Sep 30, 2006 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2006 | - | |
| Sep 1, 2006 | Sep 30, 2006 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2006 | - | |
| - | - | - | No | No | - | - | - | - | - | - |
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.