LONG LAKE COLONY
South Dakota - Community Water System - PWSID: SD4602051
System Information
| PWSID | SD4602051 |
| System Name | LONG LAKE COLONY |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 27, 1991 |
| Last Reported | Mar 2, 2026 |
Location & Contact
| State | South Dakota |
| City | WESTPORT |
| ZIP Code | 57481 |
| Address | 36848 123RD STREET |
| Organization | LONG LAKE COLONY |
| Phone | 6054393410 |
Population & Service
| Population Served | 100 |
| Service Connections | 26 |
Drinking Water Violations (230)
This water system has 230 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 1, 2012 | Sep 30, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2012 | - | |
| Sep 1, 2012 | Sep 30, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2012 | - | |
| Sep 1, 2012 | Sep 30, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2012 | - | |
| Nov 10, 2010 | - | Other | No | No | - | - | - | Resolved | Jun 23, 2011 | - | |
| Nov 10, 2010 | - | Other | No | No | - | - | - | Resolved | Jun 23, 2011 | - | |
| Jan 1, 2004 | Jan 31, 2004 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jan 31, 2004 | - | |
| Jan 1, 2004 | Jan 31, 2004 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jan 31, 2004 | - | |
| Jan 1, 2004 | Jan 31, 2004 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jan 31, 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 | - | |
| Apr 1, 2003 | Apr 30, 2003 | MCL | Yes | No | - | 5% of samples | - | Resolved | Apr 30, 2003 | - | |
| Apr 1, 2003 | Apr 30, 2003 | MCL | Yes | No | - | 5% of samples | - | Resolved | Apr 30, 2003 | - | |
| Apr 1, 2003 | Apr 30, 2003 | MCL | Yes | No | - | 5% of samples | - | Resolved | Apr 30, 2003 | - | |
| Oct 1, 2000 | Oct 31, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2000 | - | |
| Oct 1, 2000 | Oct 31, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2000 | - | |
| Oct 1, 2000 | Oct 31, 2000 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2000 | - | |
| Oct 1, 2000 | Oct 31, 2000 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2000 | - | |
| Oct 1, 2000 | Oct 31, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2000 | - | |
| Jul 1, 2000 | Apr 21, 2003 | Other | No | Yes | - | - | - | Resolved | Apr 21, 2003 | - | |
| Jul 1, 2000 | Apr 21, 2003 | Other | No | Yes | - | - | - | Resolved | Apr 21, 2003 | - | |
| Jul 1, 1997 | Jul 31, 1997 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 1997 | - | |
| Jul 1, 1997 | Jul 31, 1997 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 1997 | - | |
| Jul 1, 1997 | Jul 31, 1997 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 1997 | - | |
| Jun 1, 1997 | Jun 30, 1997 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 1997 | - | |
| Jun 1, 1997 | Jun 30, 1997 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 1997 | - | |
| Jun 1, 1997 | Jun 30, 1997 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 1997 | - | |
| Jun 1, 1997 | Jun 30, 1997 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 1997 | - | |
| Jun 1, 1997 | Jun 30, 1997 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 1997 | - | |
| Jun 1, 1997 | Jun 30, 1997 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 1997 | - | |
| May 1, 1997 | May 31, 1997 | MR | No | Yes | - | 5% of samples | - | Resolved | May 31, 1997 | - | |
| May 1, 1997 | May 31, 1997 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 1997 | - | |
| May 1, 1997 | May 31, 1997 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 1997 | - | |
| May 1, 1997 | May 31, 1997 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 1997 | - | |
| May 1, 1997 | May 31, 1997 | MR | No | Yes | - | 5% of samples | - | Resolved | May 31, 1997 | - | |
| Apr 1, 1997 | Apr 30, 1997 | MCL | Yes | No | - | 5% of samples | - | Resolved | Apr 30, 1997 | - | |
| Apr 1, 1997 | Apr 30, 1997 | MCL | Yes | No | - | 5% of samples | - | Resolved | Apr 30, 1997 | - | |
| Apr 1, 1997 | Apr 30, 1997 | MCL | Yes | No | - | 5% of samples | - | Resolved | Apr 30, 1997 | - | |
| Mar 1, 1997 | Mar 31, 1997 | MR | No | Yes | - | 5% of samples | - | Resolved | Mar 31, 1997 | - | |
| Mar 1, 1997 | Mar 31, 1997 | MR | No | Yes | - | 5% of samples | - | Resolved | Mar 31, 1997 | - | |
| Mar 1, 1997 | Mar 31, 1997 | MR | No | Yes | - | 5% of samples | - | Resolved | Mar 31, 1997 | - | |
| Dec 1, 1995 | Dec 31, 1995 | MR | No | Yes | - | 5% of samples | - | Archived | Dec 31, 1995 | - | |
| Dec 1, 1995 | Dec 31, 1995 | MR | No | Yes | - | 5% of samples | - | Archived | Dec 31, 1995 | - | |
| Oct 1, 1995 | Oct 31, 1995 | MR | No | No | - | 5% of samples | - | Archived | Oct 31, 1995 | - | |
| Oct 1, 1995 | Oct 31, 1995 | MR | No | No | - | 5% of samples | - | Archived | Oct 31, 1995 | - | |
| Apr 1, 1995 | Apr 30, 1995 | MR | No | No | - | 5% of samples | - | Archived | Apr 30, 1995 | - | |
| Apr 1, 1995 | Apr 30, 1995 | MR | No | No | - | 5% of samples | - | Archived | Apr 30, 1995 | - | |
| Jan 1, 1995 | Aug 16, 1996 | MR | No | No | - | TT | - | Resolved | Aug 16, 1996 | - | |
| Jan 1, 1995 | Aug 16, 1996 | MR | No | No | - | TT | - | Resolved | Aug 16, 1996 | - | |
| Mar 9, 1993 | Apr 8, 1993 | Other | No | No | - | - | - | Archived | Apr 8, 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.