BLACK HAWK WATER USER DISTRICT
South Dakota — Community Water System — PWSID: SD4600043
System Information
| PWSID | SD4600043 |
| System Name | BLACK HAWK WATER USER DISTRICT |
| System Type | Community Water System |
| Water Source | Ground Water |
| 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 | BLACK HAWK |
| ZIP Code | 57718 |
| Address | PO BOX 476 |
| Organization | BLACK HAWK WATER USER DISTRICT |
| Phone | 6057875777 |
Population & Service
| Population Served | 4,500 |
| Service Connections | 1,538 |
Drinking Water Violations (124)
This water system has 124 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, 2017 | — | TT | Yes | No | — | — | — | Resolved | May 15, 2017 | — | |
| Feb 1, 2017 | — | TT | Yes | No | — | — | — | Resolved | May 15, 2017 | — | |
| Jul 26, 2015 | — | MR | No | Yes | — | — | — | Resolved | Aug 11, 2015 | — | |
| Jul 26, 2015 | — | MR | No | Yes | — | — | — | Resolved | Aug 11, 2015 | — | |
| Jul 26, 2015 | — | MR | No | Yes | — | — | — | Resolved | Aug 11, 2015 | — | |
| Jul 26, 2015 | — | MR | No | Yes | — | — | — | Resolved | Aug 11, 2015 | — | |
| Jul 26, 2015 | — | MR | No | Yes | — | — | — | Resolved | Aug 11, 2015 | — | |
| Jul 26, 2015 | — | MR | No | Yes | — | — | — | Resolved | Aug 11, 2015 | — | |
| Jul 26, 2015 | — | MR | No | Yes | — | — | — | Resolved | Aug 11, 2015 | — | |
| Jul 26, 2015 | — | MR | No | Yes | — | — | — | Resolved | Aug 11, 2015 | — | |
| Jul 26, 2015 | — | MR | No | Yes | — | — | — | Resolved | Aug 11, 2015 | — | |
| Jul 26, 2015 | — | MR | No | Yes | — | — | — | Resolved | Aug 11, 2015 | — | |
| Jul 26, 2015 | — | MR | No | Yes | — | — | — | Resolved | Aug 11, 2015 | — | |
| Jul 26, 2015 | — | MR | No | Yes | — | — | — | Resolved | Aug 11, 2015 | — | |
| Jul 1, 2015 | Jul 31, 2015 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 31, 2015 | — | |
| Jul 1, 2015 | Jul 31, 2015 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 31, 2015 | — | |
| Jul 1, 2015 | Jul 31, 2015 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 31, 2015 | — | |
| Feb 1, 2012 | Feb 29, 2012 | MCL | Yes | No | — | 5% of samples | — | Resolved | Feb 29, 2012 | — | |
| Feb 1, 2012 | Feb 29, 2012 | MCL | Yes | No | — | 5% of samples | — | Resolved | Feb 29, 2012 | — | |
| Feb 1, 2012 | Feb 29, 2012 | MCL | Yes | No | — | 5% of samples | — | Resolved | Feb 29, 2012 | — | |
| Aug 1, 2005 | Aug 31, 2005 | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2005 | — | |
| Aug 1, 2005 | Aug 31, 2005 | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2005 | — | |
| Aug 1, 2005 | Aug 31, 2005 | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2005 | — | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 1999 | — | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Dec 31, 1999 | — | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Dec 31, 1999 | — | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 1999 | — | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 1999 | — | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 1999 | — | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 1999 | — | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | Yes | — | 0.6 mg/L | — | Resolved | Dec 31, 1999 | — | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | Yes | — | 0.6 mg/L | — | Resolved | Dec 31, 1999 | — | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 1999 | — | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 1999 | — | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | Yes | — | 1 mg/L | — | Resolved | Dec 31, 1999 | — | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | Yes | — | 1 mg/L | — | Resolved | Dec 31, 1999 | — | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 1999 | — | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 1999 | — | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Dec 31, 1999 | — | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Dec 31, 1999 | — | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 1999 | — | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 1999 | — | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 1999 | — | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 1999 | — | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 1999 | — | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 1999 | — | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | Yes | — | 0.007 mg/L | — | Resolved | Dec 31, 1999 | — | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | Yes | — | 0.007 mg/L | — | Resolved | Dec 31, 1999 | — | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 1999 | — | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 1999 | — |
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.