BOULDER COLONY
South Dakota — Community Water System — PWSID: SD4600339
System Information
| PWSID | SD4600339 |
| System Name | BOULDER COLONY |
| 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 | Nov 21, 2024 |
| Last Reported | Mar 2, 2026 |
Location & Contact
| State | South Dakota |
| City | HOSMER |
| ZIP Code | 57448 |
| Address | 12261 337TH AVENUE |
| Organization | BOULDER COLONY |
| Phone | 6053801487 |
Population & Service
| Population Served | 26 |
| Service Connections | 8 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Nov 12, 2025 | — | TT | Yes | No | — | — | — | Unaddressed | — | — |
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.