KOA HILL CITY/NEEDLES HIGHWAY
South Dakota — Transient Non-Community — PWSID: SD4602253
System Information
| PWSID | SD4602253 |
| System Name | KOA HILL CITY/NEEDLES HIGHWAY |
| 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 | Jun 3, 2005 |
| Last Reported | Dec 9, 2025 |
Location & Contact
| State | South Dakota |
| City | BLACK HAWK |
| ZIP Code | 57718 |
| Address | 11985 QUAAL ROAD |
| Organization | KOA HILL CITY/NEEDLES HIGHWAY |
| Phone | 6055742668 |
Population & Service
| Population Served | 146 |
| Service Connections | 75 |
Drinking Water Violations (7)
This water system has 7 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Nov 6, 2005 | — | Public Notice | Other | No | No | — | — | — | Resolved | Dec 31, 2010 | Public Notice Rule and Revised PN Rule |
| Sep 1, 2005 | Sep 30, 2005 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2005 | Total Coliform Rule |
| Sep 1, 2005 | Sep 30, 2005 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2005 | Total Coliform Rule |
| Sep 1, 2005 | Sep 30, 2005 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2005 | Total Coliform Rule |
| Sep 1, 2005 | Sep 30, 2005 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2005 | Total Coliform Rule |
| Aug 1, 2005 | Aug 31, 2005 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2005 | Total Coliform Rule |
| Aug 1, 2005 | Aug 31, 2005 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2005 | Total Coliform Rule |
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.