TWIN LAKES RESORT
South Dakota - Transient Non-Community - PWSID: SD4601007
System Information
| PWSID | SD4601007 |
| System Name | TWIN LAKES RESORT |
| System Type | Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Inactive |
| Owner Type | Private |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Oct 1, 1985 |
| Last Reported | Mar 2, 2026 |
Location & Contact
| State | South Dakota |
| City | WOONSOCKET |
| ZIP Code | 57385 |
| Address | LAURA SENSKA |
| Organization | - |
| Phone | - |
Population & Service
| Population Served | 27 |
| Service Connections | 2 |
Drinking Water Violations (127)
This water system has 127 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sep 5, 2004 | - | Other | No | No | - | - | - | Resolved | Oct 1, 2004 | - | |
| Jul 4, 2004 | - | Other | No | No | - | - | - | Resolved | Oct 1, 2004 | - | |
| Jul 1, 2004 | Jul 31, 2004 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2004 | - | |
| Jul 1, 2004 | Jul 31, 2004 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2004 | - | |
| Jun 1, 2004 | Jun 30, 2004 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2004 | - | |
| Jun 1, 2004 | Jun 30, 2004 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2004 | - | |
| May 2, 2004 | - | Other | No | No | - | - | - | Resolved | Oct 1, 2004 | - | |
| Mar 5, 2004 | - | Other | No | No | - | - | - | Resolved | Oct 1, 2004 | - | |
| Feb 2, 2004 | - | Other | No | No | - | - | - | Resolved | Oct 1, 2004 | - | |
| Dec 6, 2003 | - | Other | No | No | - | - | - | Resolved | Oct 1, 2004 | - | |
| Dec 6, 2003 | - | Other | No | No | - | - | - | Resolved | Oct 1, 2004 | - | |
| Dec 1, 2003 | Dec 31, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2003 | - | |
| Dec 1, 2003 | Dec 31, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2003 | - | |
| Dec 1, 2003 | Dec 31, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2003 | - | |
| Dec 1, 2003 | Dec 31, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2003 | - | |
| Oct 1, 2003 | Oct 31, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2003 | - | |
| Oct 1, 2003 | Oct 31, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2003 | - | |
| Oct 1, 2003 | Oct 31, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2003 | - | |
| Sep 9, 2003 | - | Other | No | No | - | - | - | Resolved | Oct 1, 2004 | - | |
| Sep 9, 2003 | - | Other | No | No | - | - | - | Resolved | Oct 1, 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 | - | |
| Aug 3, 2003 | - | Other | No | No | - | - | - | Resolved | Oct 1, 2004 | - | |
| Aug 3, 2003 | - | Other | No | No | - | - | - | Resolved | Oct 1, 2004 | - | |
| Aug 1, 2003 | Aug 31, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2003 | - | |
| Aug 1, 2003 | Aug 31, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2003 | - | |
| Aug 1, 2003 | Aug 31, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2003 | - | |
| Aug 1, 2003 | Aug 31, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2003 | - | |
| Jun 1, 2003 | Jun 30, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2003 | - | |
| Jun 1, 2003 | Jun 30, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2003 | - | |
| Jun 1, 2003 | Jun 30, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2003 | - | |
| Jun 1, 2003 | Jun 30, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2003 | - | |
| Apr 1, 2003 | Apr 30, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 2003 | - | |
| Apr 1, 2003 | Apr 30, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 2003 | - | |
| Apr 1, 2003 | Apr 30, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 2003 | - | |
| Apr 1, 2003 | Apr 30, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 2003 | - | |
| Feb 1, 2003 | Feb 28, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Feb 28, 2003 | - | |
| Feb 1, 2003 | Feb 28, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Feb 28, 2003 | - | |
| Feb 1, 2003 | Feb 28, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Feb 28, 2003 | - | |
| Feb 1, 2003 | Feb 28, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Feb 28, 2003 | - | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2003 | - | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2003 | - | |
| Jan 1, 2003 | Jan 31, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 2003 | - | |
| Jan 1, 2003 | Jan 31, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 2003 | - | |
| Jan 1, 2003 | Jan 31, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 2003 | - | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2003 | - | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2003 | - | |
| 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 | - |
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.