BISON
South Dakota - Community Water System - PWSID: SD4600039
System Information
| PWSID | SD4600039 |
| System Name | BISON |
| System Type | Community Water System |
| Water Source | Surface 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 | BISON |
| ZIP Code | 57620 |
| Address | PO BOX 910 |
| Organization | BISON |
| Phone | 6052445677 |
Population & Service
| Population Served | 310 |
| Service Connections | 228 |
Drinking Water Violations (106)
This water system has 106 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jun 1, 2024 | Jun 30, 2024 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2024 | - | |
| Jun 1, 2024 | Jun 30, 2024 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2024 | - | |
| Jun 1, 2024 | Jun 30, 2024 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2024 | - | |
| Dec 1, 2016 | Dec 31, 2016 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2016 | - | |
| Dec 1, 2016 | Dec 31, 2016 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2016 | - | |
| Dec 1, 2016 | Dec 31, 2016 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2016 | - | |
| Oct 1, 2016 | Dec 31, 2016 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2016 | - | |
| Oct 1, 2016 | Dec 31, 2016 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2016 | - | |
| Jul 1, 2016 | Sep 30, 2016 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2016 | - | |
| Jul 1, 2016 | Sep 30, 2016 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2016 | - | |
| Jul 1, 2016 | Sep 30, 2016 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2016 | - | |
| May 24, 2016 | - | TT | Yes | No | - | - | - | Resolved | Aug 11, 2016 | - | |
| May 24, 2016 | - | TT | Yes | No | - | - | - | Resolved | Aug 11, 2016 | - | |
| May 1, 2016 | May 31, 2016 | MON | No | Yes | - | - | - | Resolved | May 31, 2016 | - | |
| May 1, 2016 | May 31, 2016 | MON | No | Yes | - | - | - | Resolved | May 31, 2016 | - | |
| May 1, 2016 | May 31, 2016 | MON | No | Yes | - | - | - | Resolved | May 31, 2016 | - | |
| Apr 1, 2016 | Jun 30, 2016 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2016 | - | |
| Apr 1, 2016 | Jun 30, 2016 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2016 | - | |
| Apr 1, 2016 | Jun 30, 2016 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2016 | - | |
| Aug 1, 2015 | Sep 30, 2015 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Sep 30, 2015 | - | |
| Aug 1, 2015 | Sep 30, 2015 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Sep 30, 2015 | - | |
| Aug 1, 2015 | Sep 30, 2015 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Sep 30, 2015 | - | |
| Aug 1, 2015 | Sep 30, 2015 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Sep 30, 2015 | - | |
| Aug 1, 2015 | Sep 30, 2015 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Sep 30, 2015 | - | |
| Aug 1, 2015 | Sep 30, 2015 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Sep 30, 2015 | - | |
| Sep 1, 2013 | Sep 30, 2013 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2013 | - | |
| Sep 1, 2013 | Sep 30, 2013 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2013 | - | |
| Sep 1, 2013 | Sep 30, 2013 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2013 | - | |
| Feb 1, 2011 | - | TT | Yes | No | - | - | - | Resolved | Apr 11, 2011 | - | |
| Feb 1, 2011 | - | TT | Yes | No | - | - | - | Resolved | Apr 11, 2011 | - | |
| Dec 1, 2010 | Dec 31, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2010 | - | |
| Dec 1, 2010 | Dec 31, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2010 | - | |
| Dec 1, 2010 | Dec 31, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2010 | - | |
| Oct 1, 2010 | Dec 31, 2010 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Oct 1, 2010 | Dec 31, 2010 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Oct 1, 2010 | Dec 31, 2010 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Feb 1, 2009 | - | TT | Yes | No | - | - | - | Resolved | Apr 9, 2009 | - | |
| Jul 1, 2008 | - | Other | No | No | - | - | - | Resolved | Aug 1, 2008 | - | |
| Jul 1, 2008 | - | Other | No | No | - | - | - | Resolved | Aug 1, 2008 | - | |
| 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 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2000 | - | |
| Mar 1, 1998 | Mar 31, 1998 | MR | No | Yes | - | 5% of samples | - | Archived | Mar 31, 1998 | - | |
| Mar 1, 1998 | Mar 31, 1998 | MR | No | Yes | - | 5% of samples | - | Archived | Mar 31, 1998 | - | |
| Jul 1, 1994 | Jun 14, 1995 | MR | No | No | - | TT | - | Resolved | Jun 14, 1995 | - | |
| Jul 1, 1994 | Jun 14, 1995 | MR | No | No | - | TT | - | Resolved | Jun 14, 1995 | - | |
| Jan 1, 1994 | Jun 14, 1995 | MR | No | No | - | TT | - | Resolved | Jun 14, 1995 | - | |
| Jan 1, 1994 | Jun 14, 1995 | MR | No | No | - | TT | - | Resolved | Jun 14, 1995 | - | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 1993 | - | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 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.