SHARPS CORNER WATER SYSTEM
South Dakota — Community Water System — PWSID: 084690473
System Information
| PWSID | 084690473 |
| System Name | SHARPS CORNER WATER SYSTEM |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Non-Inventory |
| Owner Type | Native American |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 4, 1980 |
| Last Reported | Mar 2, 2026 |
Location & Contact
| State | South Dakota |
| City | PINE RIDGE |
| ZIP Code | 57770 |
| Address | OST SANITATION/ MAINT,BOX 1054 |
| Organization | — |
| Phone | — |
Population & Service
| Population Served | 88 |
| Service Connections | 16 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sep 1, 1995 | Sep 30, 1995 | MCL | Yes | No | — | 5% of samples | — | Archived | Sep 30, 1995 | — | |
| May 1, 1995 | May 31, 1995 | MR | No | Yes | — | 5% of samples | — | Archived | May 31, 1995 | — | |
| Sep 1, 1994 | Sep 30, 1994 | MR | No | No | — | 5% of samples | — | Archived | Sep 30, 1994 | — | |
| Sep 1, 1994 | Sep 30, 1994 | MCL | Yes | No | — | 5% of samples | — | Archived | Sep 30, 1994 | — | |
| Aug 1, 1994 | Aug 31, 1994 | MCL | Yes | No | — | 5% of samples | — | Archived | Aug 31, 1994 | — | |
| Nov 1, 1993 | Nov 30, 1993 | MR | No | No | — | 5% of samples | — | Archived | Nov 30, 1993 | — | |
| Feb 1, 1993 | Feb 28, 1993 | MR | No | Yes | — | 5% of samples | — | Archived | Feb 28, 1993 | — | |
| Nov 1, 1992 | Nov 30, 1992 | MR | No | No | — | 5% of samples | — | Archived | Nov 30, 1992 | — | |
| Oct 1, 1991 | Oct 31, 1991 | MR | No | No | — | 5% of samples | — | Archived | Oct 31, 1991 | — | |
| Sep 1, 1991 | Sep 30, 1991 | MCL | Yes | No | — | 5% of samples | — | Archived | Sep 30, 1991 | — | |
| Sep 1, 1991 | Sep 30, 1991 | MCL | Yes | No | — | 5% of samples | — | Archived | Sep 30, 1991 | — | |
| Jan 1, 1983 | Dec 31, 1985 | MR | No | Yes | — | 0.1 mg/L | — | Archived | Dec 31, 1985 | — | |
| Jan 1, 1983 | Dec 31, 1985 | MR | No | Yes | — | 2 mg/L | — | Archived | Dec 31, 1985 | — | |
| Jan 1, 1983 | Dec 31, 1985 | MR | No | Yes | — | 0.002 mg/L | — | Archived | Dec 31, 1985 | — | |
| Jan 1, 1983 | Dec 31, 1985 | MR | No | Yes | — | 10 mg/L | — | Archived | Dec 31, 1985 | — | |
| Jan 1, 1983 | Dec 31, 1985 | MR | No | Yes | — | 0.005 mg/L | — | Archived | Dec 31, 1985 | — | |
| Jan 1, 1983 | Dec 31, 1985 | MR | No | Yes | — | 4.0 mg/L | — | Archived | Dec 31, 1985 | — | |
| Jan 1, 1983 | Dec 31, 1985 | MR | No | Yes | — | 0.010 mg/L | — | Archived | Dec 31, 1985 | — | |
| Jan 1, 1983 | Dec 31, 1985 | MR | No | Yes | — | 0.05 mg/L | — | Archived | Dec 31, 1985 | — | |
| Jan 1, 1982 | Dec 31, 1985 | MR | No | Yes | — | 15 pCi/L | — | Archived | Dec 31, 1985 | — | |
| Jul 1, 1976 | Jun 30, 1980 | MR | No | No | — | 15 pCi/L | — | Archived | Jun 30, 1980 | — | |
| Jul 1, 1976 | Jun 30, 1980 | MR | No | No | — | 5 pCi/L | — | Archived | Jun 30, 1980 | — |
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.