TWIN KNOLLS 6TH ADDITION
Iowa - Community Water System - PWSID: IA5784310
System Information
| PWSID | IA5784310 |
| System Name | TWIN KNOLLS 6TH ADDITION |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Inactive |
| Owner Type | Private |
| EPA Region | 07 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 4, 1980 |
| Last Reported | Feb 19, 2020 |
Location & Contact
| State | Iowa |
| City | CEDAR RAPIDS |
| ZIP Code | 52411 |
| Address | ATTN LINDA GEHLING |
| Organization | TWIN KNOLLS 6TH ADDITION |
| Phone | 319-851-7514 |
Population & Service
| Population Served | 45 |
| Service Connections | 15 |
Drinking Water Violations (114)
This water system has 114 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, 2009 | Aug 31, 2009 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2009 | - | |
| Aug 1, 2009 | Aug 31, 2009 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2009 | - | |
| Aug 1, 2009 | Aug 31, 2009 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2009 | - | |
| Nov 1, 2007 | Nov 30, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2007 | - | |
| Nov 1, 2007 | Nov 30, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2007 | - | |
| Nov 1, 2007 | Nov 30, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2007 | - | |
| Nov 1, 2007 | Nov 30, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2007 | - | |
| Nov 1, 2007 | Nov 30, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2007 | - | |
| Oct 1, 2007 | Oct 31, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2007 | - | |
| Oct 1, 2007 | Oct 31, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2007 | - | |
| Oct 1, 2007 | Oct 31, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2007 | - | |
| Oct 1, 2007 | Oct 31, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2007 | - | |
| Oct 1, 2007 | Oct 31, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2007 | - | |
| Sep 1, 2007 | Sep 30, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2007 | - | |
| Sep 1, 2007 | Sep 30, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2007 | - | |
| Sep 1, 2007 | Sep 30, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2007 | - | |
| Sep 1, 2007 | Sep 30, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2007 | - | |
| Sep 1, 2007 | Sep 30, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2007 | - | |
| Sep 1, 2007 | Sep 30, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 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 | - | |
| 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 | - | |
| Jan 1, 2005 | Jan 31, 2005 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 2005 | - | |
| Jan 1, 2005 | Jan 31, 2005 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 2005 | - | |
| Jan 1, 2005 | Jan 31, 2005 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 2005 | - | |
| Jan 1, 2005 | Jan 31, 2005 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 2005 | - | |
| May 1, 2004 | May 31, 2004 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2004 | - | |
| May 1, 2004 | May 31, 2004 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2004 | - | |
| May 1, 2004 | May 31, 2004 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2004 | - | |
| May 1, 2004 | May 31, 2004 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2004 | - | |
| Sep 1, 2003 | Sep 30, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2003 | - | |
| Sep 1, 2003 | Sep 30, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2003 | - | |
| Sep 1, 2003 | Sep 30, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2003 | - | |
| Sep 1, 2003 | Sep 30, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2003 | - | |
| Feb 1, 2000 | Feb 29, 2000 | MR | No | No | - | 5% of samples | - | Resolved | Feb 29, 2000 | - | |
| Feb 1, 2000 | Feb 29, 2000 | MR | No | No | - | 5% of samples | - | Resolved | Feb 29, 2000 | - | |
| Feb 1, 2000 | Feb 29, 2000 | MR | No | No | - | 5% of samples | - | Resolved | Feb 29, 2000 | - | |
| Feb 1, 2000 | Feb 29, 2000 | MR | No | No | - | 5% of samples | - | Resolved | Feb 29, 2000 | - | |
| Oct 19, 1999 | - | Other | No | No | - | - | - | Resolved | Nov 15, 1999 | - | |
| Oct 19, 1999 | - | Other | No | No | - | - | - | Resolved | Nov 15, 1999 | - | |
| Oct 19, 1999 | - | Other | No | No | - | - | - | Resolved | Nov 15, 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 | - | |
| 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 | - | |
| Jan 1, 1999 | Jan 31, 1999 | MR | No | No | - | 5% of samples | - | Archived | Jan 31, 1999 | - | |
| Mar 1, 1993 | Mar 31, 1993 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 1993 | - |
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.