EGAN
South Dakota - Community Water System - PWSID: SD4600115
System Information
| PWSID | SD4600115 |
| System Name | EGAN |
| System Type | Community Water System |
| Water Source | Ground Water Purchased |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 13, 1979 |
| Last Reported | Mar 2, 2026 |
Location & Contact
| State | South Dakota |
| City | EGAN |
| ZIP Code | 57024 |
| Address | 23343 479TH AVENUE |
| Organization | EGAN |
| Phone | 6059972098 |
Population & Service
| Population Served | 241 |
| Service Connections | 125 |
Drinking Water Violations (82)
This water system has 82 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 21, 2011 | - | TT | Yes | No | - | - | - | Resolved | Apr 17, 2012 | - | |
| Sep 21, 2011 | - | TT | Yes | No | - | - | - | Resolved | Apr 17, 2012 | - | |
| Aug 26, 2011 | - | TT | Yes | No | - | - | - | Resolved | Dec 31, 2011 | - | |
| Aug 26, 2011 | - | TT | Yes | No | - | - | - | Resolved | Dec 31, 2011 | - | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2011 | - | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2011 | - | |
| Jul 29, 2010 | - | TT | Yes | No | - | - | - | Resolved | Sep 1, 2010 | - | |
| Jul 29, 2010 | - | TT | Yes | No | - | - | - | Resolved | Sep 1, 2010 | - | |
| Oct 1, 2009 | Dec 31, 2009 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2009 | - | |
| Oct 1, 2009 | Dec 31, 2009 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2009 | - | |
| Aug 20, 2009 | - | TT | Yes | No | - | - | - | Resolved | Apr 8, 2010 | - | |
| Aug 20, 2009 | - | TT | Yes | No | - | - | - | Resolved | Apr 8, 2010 | - | |
| 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 | - | |
| Jul 1, 2003 | - | Other | No | No | - | - | - | Resolved | Sep 10, 2003 | - | |
| Jul 1, 2003 | - | Other | No | No | - | - | - | Resolved | Sep 10, 2003 | - | |
| Jan 1, 2001 | Jan 31, 2001 | MR | No | Yes | - | 5% of samples | - | Resolved | Jan 31, 2001 | - | |
| Jan 1, 2001 | Jan 31, 2001 | MR | No | Yes | - | 5% of samples | - | Resolved | Jan 31, 2001 | - | |
| Jan 1, 2001 | Jan 31, 2001 | MR | No | Yes | - | 5% of samples | - | Resolved | Jan 31, 2001 | - | |
| Jul 1, 2000 | Jul 21, 2000 | Other | No | Yes | - | - | - | Resolved | Jul 21, 2000 | - | |
| Jul 1, 2000 | Jul 21, 2000 | Other | No | Yes | - | - | - | Resolved | Jul 21, 2000 | - | |
| Jun 13, 2000 | Jul 12, 2000 | Other | No | No | - | 5% of samples | - | Archived | Jul 12, 2000 | - | |
| Apr 1, 2000 | Apr 30, 2000 | MR | No | Yes | - | 5% of samples | - | Resolved | Apr 30, 2000 | - | |
| Apr 1, 2000 | Apr 30, 2000 | MR | No | Yes | - | 5% of samples | - | Resolved | Apr 30, 2000 | - | |
| Apr 1, 2000 | Apr 30, 2000 | MR | No | Yes | - | 5% of samples | - | Resolved | Apr 30, 2000 | - | |
| Jul 1, 1995 | Jun 28, 1996 | MR | No | No | - | TT | - | Resolved | Jun 28, 1996 | - | |
| Jul 1, 1995 | Jun 28, 1996 | MR | No | No | - | TT | - | Resolved | Jun 28, 1996 | - | |
| Jul 1, 1995 | Jun 28, 1996 | MR | No | No | - | TT | - | Resolved | Jun 28, 1996 | - | |
| Jan 1, 1995 | Jun 28, 1996 | MR | No | No | - | TT | - | Resolved | Jun 28, 1996 | - | |
| Jan 1, 1995 | Jun 28, 1996 | MR | No | No | - | TT | - | Resolved | Jun 28, 1996 | - | |
| Jul 1, 1994 | Jun 28, 1996 | MR | No | No | - | TT | - | Resolved | Jun 28, 1996 | - | |
| Jul 1, 1994 | Jun 28, 1996 | MR | No | No | - | TT | - | Resolved | Jun 28, 1996 | - | |
| May 1, 1994 | May 31, 1994 | MR | No | Yes | - | 5% of samples | - | Archived | May 31, 1994 | - | |
| Jan 1, 1994 | Jun 28, 1996 | MR | No | No | - | TT | - | Resolved | Jun 28, 1996 | - | |
| Jan 1, 1994 | Jun 28, 1996 | MR | No | No | - | TT | - | Resolved | Jun 28, 1996 | - | |
| Jan 1, 1993 | Dec 31, 1995 | MR | No | Yes | - | 7 MFL | - | Resolved | Dec 31, 1995 | - | |
| Jan 1, 1993 | Dec 31, 1995 | MR | No | Yes | - | 7 MFL | - | Resolved | Dec 31, 1995 | - | |
| Sep 1, 1992 | Sep 30, 1992 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 1992 | - | |
| Sep 1, 1992 | Sep 30, 1992 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 1992 | - | |
| Sep 1, 1992 | Sep 30, 1992 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 1992 | - | |
| Feb 1, 1992 | Feb 29, 1992 | MR | No | No | - | 5% of samples | - | Archived | Feb 29, 1992 | - | |
| Feb 1, 1992 | Feb 29, 1992 | MR | No | No | - | 5% of samples | - | Archived | Feb 29, 1992 | - | |
| Jan 3, 1992 | Feb 2, 1992 | Other | No | No | - | - | - | Archived | Feb 2, 1992 | - | |
| Jan 1, 1992 | Jan 31, 1992 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jan 31, 1992 | - | |
| Jan 1, 1992 | Jan 31, 1992 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jan 31, 1992 | - | |
| Jan 1, 1992 | Jan 31, 1992 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jan 31, 1992 | - | |
| Jan 1, 1992 | Jan 31, 1992 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jan 31, 1992 | - | |
| Dec 1, 1991 | Dec 31, 1991 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 1991 | - | |
| Dec 1, 1991 | Dec 31, 1991 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 1991 | - |
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.