BLACK HAWK OIL COMPANY
South Dakota — Transient Non-Community — PWSID: SD4602207
System Information
| PWSID | SD4602207 |
| System Name | BLACK HAWK OIL COMPANY |
| System Type | Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Dec 22, 2000 |
| Last Reported | Mar 2, 2026 |
Location & Contact
| State | South Dakota |
| City | BLACK HAWK |
| ZIP Code | 57718 |
| Address | PO BOX 740 |
| Organization | BLACK HAWK OIL COMPANY |
| Phone | 6057185921 |
Population & Service
| Population Served | 500 |
| Service Connections | 1 |
Drinking Water Violations (22)
This water system has 22 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Feb 1, 2013 | Feb 28, 2013 | MCL | Yes | No | — | 5% of samples | — | Resolved | Feb 28, 2013 | — | |
| Feb 1, 2013 | Feb 28, 2013 | MCL | Yes | No | — | 5% of samples | — | Resolved | Feb 28, 2013 | — | |
| Feb 1, 2013 | Feb 28, 2013 | MCL | Yes | No | — | 5% of samples | — | Resolved | Feb 28, 2013 | — | |
| Dec 5, 2010 | — | Other | No | No | — | — | — | Resolved | Sep 10, 2014 | — | |
| Nov 1, 2009 | Nov 30, 2009 | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2009 | — | |
| Nov 1, 2009 | Nov 30, 2009 | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2009 | — | |
| Nov 1, 2009 | Nov 30, 2009 | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2009 | — | |
| Nov 1, 2009 | Nov 30, 2009 | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2009 | — | |
| Nov 1, 2009 | Nov 30, 2009 | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2009 | — | |
| Oct 4, 2009 | — | Other | No | No | — | — | — | Resolved | Dec 31, 2010 | — | |
| Sep 1, 2009 | Sep 30, 2009 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2009 | — | |
| Sep 1, 2009 | Sep 30, 2009 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2009 | — | |
| Sep 1, 2009 | Sep 30, 2009 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2009 | — | |
| Mar 11, 2002 | — | Other | No | No | — | — | — | Resolved | Dec 31, 2010 | — | |
| Feb 1, 2002 | Feb 28, 2002 | MR | No | No | — | 5% of samples | — | Resolved | Feb 28, 2002 | — | |
| Feb 1, 2002 | Feb 28, 2002 | MR | No | No | — | 5% of samples | — | Resolved | Feb 28, 2002 | — | |
| Feb 1, 2002 | Feb 28, 2002 | MR | No | No | — | 5% of samples | — | Resolved | Feb 28, 2002 | — | |
| Jan 1, 2002 | Jan 31, 2002 | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 2002 | — | |
| Jan 1, 2002 | Jan 31, 2002 | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 2002 | — | |
| Jan 1, 2002 | Jan 31, 2002 | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 2002 | — | |
| Jul 11, 2001 | Jul 11, 2006 | Other | No | No | — | — | — | Resolved | Jul 11, 2006 | — | |
| Jul 11, 2001 | Jul 11, 2006 | Other | No | No | — | — | — | Resolved | Jul 11, 2006 | — |
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.