DARLINGTON ESTATES
South Dakota — Community Water System — PWSID: SD4600403
System Information
| PWSID | SD4600403 |
| System Name | DARLINGTON ESTATES |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Dec 9, 2025 |
| Last Reported | — |
Location & Contact
| State | South Dakota |
| City | RAPID CITY |
| ZIP Code | 57703 |
| Address | 7935 HILDAGO COURT |
| Organization | DARLINGTON ESTATES |
| Phone | — |
Population & Service
| Population Served | 25 |
| Service Connections | 15 |
Drinking Water Violations (1)
This water system has 1 violation 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 1, 2025 | Sep 30, 2025 | Combined Radium (-226 and -228) | MCL | Yes | No | 7 PCI/L | 5 pCi/L | — | Archived | Sep 30, 2025 | Radionuclides and Revised Rad 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.