HE DOG SCHOOL
South Dakota — Community Water System — PWSID: SD4602037
System Information
| PWSID | SD4602037 |
| System Name | HE DOG SCHOOL |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Inactive |
| Owner Type | Native American |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Sep 19, 1990 |
| Last Reported | Dec 9, 2025 |
Location & Contact
| State | South Dakota |
| City | MISSION |
| ZIP Code | 575550087 |
| Address | MIKE KNOX |
| Organization | — |
| Phone | 605-856-2588 |
Population & Service
| Population Served | 202 |
| Service Connections | 14 |
Drinking Water Violations (16)
This water system has 16 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, 1995 | Oct 31, 1995 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Oct 31, 1995 | Total Coliform Rule |
| Oct 15, 1994 | Nov 14, 1994 | Other | No | No | — | — | — | Archived | Nov 14, 1994 | Miscellaneous Other Rules | |
| Aug 1, 1994 | Aug 31, 1994 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Aug 31, 1994 | Total Coliform Rule |
| Aug 1, 1994 | Aug 31, 1994 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Aug 31, 1994 | Total Coliform Rule |
| Mar 1, 1994 | Mar 31, 1994 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Mar 31, 1994 | Total Coliform Rule |
| Mar 1, 1994 | Mar 31, 1994 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Mar 31, 1994 | Total Coliform Rule |
| Jan 1, 1993 | Dec 31, 1993 | Tetrachloroethylene | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 1993 | Volatile Organic Chemicals |
| Jan 1, 1993 | Dec 31, 1993 | 1,2-Dichloroethane | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 1993 | Volatile Organic Chemicals |
| Jan 1, 1993 | Dec 31, 1993 | Vinyl chloride | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 1993 | Volatile Organic Chemicals |
| Jan 1, 1993 | Dec 31, 1993 | Toluene | MR | No | Yes | — | 1 mg/L | — | Resolved | Dec 31, 1993 | Volatile Organic Chemicals |
| Jan 1, 1993 | Dec 31, 1993 | cis-1,2-Dichloroethylene | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Dec 31, 1993 | Volatile Organic Chemicals |
| Jan 1, 1993 | Dec 31, 1993 | cis-1,2-Dichloroethylene | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Dec 31, 1993 | Volatile Organic Chemicals |
| Jan 1, 1993 | Dec 31, 1993 | 1,2-Dichloropropane | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 1993 | Volatile Organic Chemicals |
| Jan 1, 1993 | Dec 31, 1993 | 1,1,1-Trichloroethane | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 1993 | Volatile Organic Chemicals |
| Jan 1, 1993 | Dec 31, 1993 | 1,2,4-Trichlorobenzene | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Dec 31, 1993 | Volatile Organic Chemicals |
| Jan 1, 1993 | Dec 31, 1993 | Trichloroethylene | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 1993 | Volatile Organic Chemicals |
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.