LARSSON'S CROOKED CREEK CG-NORTH WEL
South Dakota - Transient Non-Community - PWSID: SD4600527
System Information
| PWSID | SD4600527 |
| System Name | LARSSON'S CROOKED CREEK CG-NORTH WEL |
| 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 | Mar 4, 1980 |
| Last Reported | Mar 2, 2026 |
Location & Contact
| State | South Dakota |
| City | BLACK HAWK |
| ZIP Code | 57718 |
| Address | 11985 QUAAL ROAD |
| Organization | LARSSON'S CROOKED CREEK CG-NORTH WEL |
| Phone | - |
Population & Service
| Population Served | 124 |
| Service Connections | 75 |
Drinking Water Violations (58)
This water system has 58 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 5, 2023 | - | MR | No | Yes | - | - | - | Resolved | Jun 20, 2023 | - | |
| Jun 5, 2023 | - | MR | No | Yes | - | - | - | Resolved | Jun 20, 2023 | - | |
| Jun 5, 2023 | - | MR | No | Yes | - | - | - | Resolved | Jun 20, 2023 | - | |
| Nov 13, 2019 | - | Other | No | No | - | - | - | Resolved | Jun 13, 2023 | - | |
| Oct 1, 2018 | Oct 31, 2018 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2018 | - | |
| Oct 1, 2018 | Oct 31, 2018 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2018 | - | |
| Oct 1, 2018 | Oct 31, 2018 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2018 | - | |
| Aug 11, 2018 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Jan 1, 2017 | Dec 31, 2017 | MCL | Yes | No | 11 MG/L | 10 mg/L | - | Resolved | Dec 31, 2017 | - | |
| Jan 1, 2017 | Dec 31, 2017 | MCL | Yes | No | 11 MG/L | 10 mg/L | - | Resolved | Dec 31, 2017 | - | |
| Jan 1, 2017 | Dec 31, 2017 | MCL | Yes | No | 11 MG/L | 10 mg/L | - | Resolved | Dec 31, 2017 | - | |
| Oct 28, 2011 | - | TT | Yes | No | - | - | - | Resolved | Jun 14, 2012 | - | |
| Oct 28, 2011 | - | TT | Yes | No | - | - | - | Resolved | Jun 14, 2012 | - | |
| Jan 1, 2011 | Dec 31, 2011 | MCL | Yes | No | 11 MG/L | 10 mg/L | - | Resolved | Dec 31, 2011 | - | |
| Jan 1, 2011 | Dec 31, 2011 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2011 | - | |
| Jan 1, 2011 | Dec 31, 2011 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2011 | - | |
| Jan 1, 2011 | Dec 31, 2011 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2011 | - | |
| Jan 1, 2011 | Dec 31, 2011 | MCL | Yes | No | 11 MG/L | 10 mg/L | - | Resolved | Dec 31, 2011 | - | |
| Jan 1, 2011 | Dec 31, 2011 | MCL | Yes | No | 11 MG/L | 10 mg/L | - | Resolved | Dec 31, 2011 | - | |
| Jan 1, 2010 | Dec 31, 2010 | MCL | Yes | No | 12 MG/L | 10 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Jan 1, 2010 | Dec 31, 2010 | MCL | Yes | No | 12 MG/L | 10 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Jan 1, 2010 | Dec 31, 2010 | MCL | Yes | No | 12 MG/L | 10 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Jan 1, 2010 | Dec 31, 2010 | MCL | Yes | No | 12 MG/L | 10 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Sep 7, 2009 | - | Other | No | No | - | - | - | Resolved | May 5, 2010 | - | |
| Sep 7, 2009 | - | Other | No | No | - | - | - | Resolved | May 5, 2010 | - | |
| Jan 1, 2009 | Dec 31, 2009 | MCL | Yes | No | 16 MG/L | 10 mg/L | - | Resolved | Dec 31, 2009 | - | |
| Jan 1, 2009 | Dec 31, 2009 | MCL | Yes | No | 16 MG/L | 10 mg/L | - | Resolved | Dec 31, 2009 | - | |
| Jan 1, 2009 | Dec 31, 2009 | MCL | Yes | No | 16 MG/L | 10 mg/L | - | Resolved | Dec 31, 2009 | - | |
| Jan 1, 2009 | Dec 31, 2009 | MCL | Yes | No | 16 MG/L | 10 mg/L | - | Resolved | Dec 31, 2009 | - | |
| Jan 1, 2009 | Dec 31, 2009 | MCL | Yes | No | 16 MG/L | 10 mg/L | - | Resolved | Dec 31, 2009 | - | |
| Jan 1, 2008 | Dec 31, 2008 | MCL | Yes | No | 14 | 10 mg/L | - | Resolved | Dec 31, 2008 | - | |
| Jan 1, 2008 | Dec 31, 2008 | MCL | Yes | No | 14 | 10 mg/L | - | Resolved | Dec 31, 2008 | - | |
| Jan 1, 2008 | Dec 31, 2008 | MCL | Yes | No | 14 | 10 mg/L | - | Resolved | Dec 31, 2008 | - | |
| Jan 1, 2008 | Dec 31, 2008 | MCL | Yes | No | 14 | 10 mg/L | - | Resolved | Dec 31, 2008 | - | |
| Sep 9, 2003 | - | Other | No | No | - | - | - | Resolved | Dec 31, 2010 | - | |
| Aug 1, 2002 | Aug 31, 2002 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2002 | - | |
| Aug 1, 2002 | Aug 31, 2002 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2002 | - | |
| Aug 1, 2002 | Aug 31, 2002 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2002 | - | |
| Aug 1, 2002 | Aug 31, 2002 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2002 | - | |
| Aug 1, 2002 | Aug 31, 2002 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2002 | - | |
| Aug 1, 2002 | Aug 31, 2002 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2002 | - | |
| Sep 1, 1994 | Sep 30, 1994 | MR | No | Yes | - | 5% of samples | - | Archived | Sep 30, 1994 | - | |
| Sep 1, 1994 | Sep 30, 1994 | MR | No | Yes | - | 5% of samples | - | Archived | Sep 30, 1994 | - | |
| Oct 7, 1993 | Nov 6, 1993 | Other | No | No | - | - | - | Archived | Nov 6, 1993 | - | |
| Jul 1, 1993 | Jul 31, 1993 | MR | No | Yes | - | 5% of samples | - | Archived | Jul 31, 1993 | - | |
| Jul 1, 1993 | Jul 31, 1993 | MR | No | Yes | - | 5% of samples | - | Archived | Jul 31, 1993 | - | |
| Oct 1, 1992 | Oct 31, 1992 | MR | No | Yes | - | 5% of samples | - | Archived | Oct 31, 1992 | - | |
| Aug 1, 1992 | Aug 31, 1992 | MR | No | Yes | - | 5% of samples | - | Archived | Aug 31, 1992 | - | |
| Aug 1, 1992 | Aug 31, 1992 | MR | No | Yes | - | 5% of samples | - | Archived | Aug 31, 1992 | - | |
| Dec 16, 1991 | Jan 15, 1992 | Other | No | No | - | - | - | Archived | Jan 15, 1992 | - |
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.