CLARK
South Dakota — Community Water System — PWSID: SD4600091
System Information
| PWSID | SD4600091 |
| System Name | CLARK |
| System Type | Community Water System |
| Water Source | Ground Water Purchased |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 13, 1979 |
| Last Reported | Dec 9, 2025 |
Location & Contact
| State | South Dakota |
| City | CLARK |
| ZIP Code | 57225 |
| Address | 120 N COMMERCIAL |
| Organization | CLARK |
| Phone | 6055325665 |
Population & Service
| Population Served | 1,148 |
| Service Connections | 635 |
Drinking Water Violations (9)
This water system has 9 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, 2016 | — | Stage 1 Disinfectants and Disinfection Byproducts Rule | TT | Yes | No | — | — | — | Resolved | May 5, 2016 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Feb 1, 2016 | — | Stage 1 Disinfectants and Disinfection Byproducts Rule | TT | Yes | No | — | — | — | Resolved | May 5, 2016 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Nov 12, 2000 | Dec 11, 2000 | Coliform (TCR) | Other | No | No | — | 5% of samples | — | Archived | Dec 11, 2000 | Total Coliform Rule |
| Sep 1, 2000 | Sep 30, 2000 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Resolved | Sep 30, 2000 | Total Coliform Rule |
| Sep 1, 2000 | Sep 30, 2000 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Resolved | Sep 30, 2000 | Total Coliform Rule |
| Sep 1, 2000 | Sep 30, 2000 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Resolved | Sep 30, 2000 | Total Coliform Rule |
| Jan 1, 1997 | Oct 7, 1997 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Oct 7, 1997 | Lead and Copper Rule |
| Jan 1, 1997 | Oct 7, 1997 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Oct 7, 1997 | Lead and Copper Rule |
| Jan 1, 1997 | Oct 7, 1997 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Oct 7, 1997 | Lead and Copper 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.