D & E WATER COMPANY
South Dakota - Community Water System - PWSID: SD4600392
System Information
| PWSID | SD4600392 |
| System Name | D & E WATER COMPANY |
| 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 | Feb 13, 1979 |
| Last Reported | Mar 2, 2026 |
Location & Contact
| State | South Dakota |
| City | BLACK HAWK |
| ZIP Code | 57718 |
| Address | 11985 QUAAL ROAD |
| Organization | D & E WATER COMPANY |
| Phone | - |
Population & Service
| Population Served | 100 |
| Service Connections | 40 |
Drinking Water Violations (87)
This water system has 87 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 2010 | Oct 31, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2010 | - | |
| Oct 1, 2010 | Oct 31, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2010 | - | |
| Oct 1, 2010 | Oct 31, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2010 | - | |
| Jul 1, 2006 | Sep 30, 2006 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2006 | - | |
| Jul 1, 2006 | Sep 30, 2006 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2006 | - | |
| Jul 1, 2006 | Sep 30, 2006 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2006 | - | |
| Jul 1, 2006 | Sep 30, 2006 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2006 | - | |
| Feb 1, 2006 | - | TT | Yes | No | - | - | - | Resolved | Aug 28, 2006 | - | |
| Feb 1, 2006 | - | TT | Yes | No | - | - | - | Resolved | Aug 28, 2006 | - | |
| Jan 1, 2006 | Mar 31, 2006 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2006 | - | |
| Jan 1, 2006 | Mar 31, 2006 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2006 | - | |
| Jan 1, 2006 | Mar 31, 2006 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2006 | - | |
| Oct 1, 2005 | Dec 31, 2005 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2005 | - | |
| Oct 1, 2005 | Dec 31, 2005 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2005 | - | |
| Oct 1, 2005 | Dec 31, 2005 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2005 | - | |
| Oct 1, 2005 | Dec 31, 2005 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2005 | - | |
| Jul 1, 2005 | Sep 30, 2005 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2005 | - | |
| Jul 1, 2005 | Sep 30, 2005 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2005 | - | |
| Jul 1, 2005 | Sep 30, 2005 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2005 | - | |
| Jul 1, 2005 | Sep 30, 2005 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2005 | - | |
| Apr 1, 2005 | Jun 30, 2005 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2005 | - | |
| Apr 1, 2005 | Jun 30, 2005 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2005 | - | |
| Apr 1, 2005 | Jun 30, 2005 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2005 | - | |
| Apr 1, 2005 | Jun 30, 2005 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2005 | - | |
| Jan 1, 2005 | Mar 31, 2005 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2005 | - | |
| Jan 1, 2005 | Mar 31, 2005 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2005 | - | |
| Jan 1, 2005 | Mar 31, 2005 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2005 | - | |
| Jan 1, 2005 | Mar 31, 2005 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2005 | - | |
| Apr 1, 2004 | - | TT | Yes | No | - | - | - | Resolved | Oct 4, 2004 | - | |
| Apr 1, 2004 | - | TT | Yes | No | - | - | - | Resolved | Oct 4, 2004 | - | |
| Jul 1, 2001 | Sep 10, 2001 | Other | No | Yes | - | - | - | Resolved | Sep 10, 2001 | - | |
| Jul 1, 2001 | Sep 10, 2001 | Other | No | Yes | - | - | - | Resolved | Sep 10, 2001 | - | |
| Mar 10, 2001 | Apr 9, 2001 | Other | No | No | - | TT | - | Archived | Apr 9, 2001 | - | |
| Oct 1, 2000 | - | MR | No | No | - | TT | - | Resolved | Sep 17, 2001 | - | |
| Oct 1, 2000 | - | MR | No | No | - | TT | - | Resolved | Sep 17, 2001 | - | |
| Oct 1, 2000 | - | MR | No | No | - | TT | - | Resolved | Sep 17, 2001 | - | |
| Oct 13, 1997 | Nov 12, 1997 | Other | No | No | - | 5% of samples | - | Archived | Nov 12, 1997 | - | |
| Aug 1, 1997 | Aug 31, 1997 | MR | No | Yes | - | 5% of samples | - | Archived | Aug 31, 1997 | - | |
| Aug 1, 1997 | Aug 31, 1997 | MR | No | Yes | - | 5% of samples | - | Archived | Aug 31, 1997 | - | |
| Feb 12, 1997 | Mar 11, 1997 | Other | No | No | - | - | - | Archived | Mar 11, 1997 | - | |
| Jan 1, 1996 | Jul 28, 1997 | MR | No | No | - | TT | - | Resolved | Jul 28, 1997 | - | |
| Jan 1, 1996 | Jul 28, 1997 | MR | No | No | - | TT | - | Resolved | Jul 28, 1997 | - | |
| Jan 1, 1996 | Jul 28, 1997 | MR | No | No | - | TT | - | Resolved | Jul 28, 1997 | - | |
| Dec 1, 1995 | Dec 31, 1995 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 1995 | - | |
| Dec 1, 1995 | Dec 31, 1995 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 1995 | - | |
| Jul 1, 1994 | Jan 29, 1995 | MR | No | No | - | TT | - | Resolved | Jan 29, 1995 | - | |
| Jul 1, 1994 | Jan 29, 1995 | MR | No | No | - | TT | - | Resolved | Jan 29, 1995 | - | |
| Jan 1, 1994 | Jan 29, 1995 | MR | No | No | - | TT | - | Resolved | Jan 29, 1995 | - | |
| Jan 1, 1994 | Jan 29, 1995 | MR | No | No | - | TT | - | Resolved | Jan 29, 1995 | - | |
| Dec 1, 1993 | Dec 31, 1993 | MR | No | No | - | 5% of samples | - | Archived | 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.