BLACK BUTTE RANCH CORPORATION
Oregon — Community Water System — PWSID: OR4100086
System Information
| PWSID | OR4100086 |
| System Name | BLACK BUTTE RANCH CORPORATION |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 10 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 12, 1979 |
| Last Reported | Mar 25, 2026 |
Location & Contact
| State | Oregon |
| City | SISTERS |
| ZIP Code | 97759 |
| Address | PO BOX 8000 |
| Organization | BLACK BUTTE RANCH CORPORATION |
| Phone | 541-595-1280 |
Population & Service
| Population Served | 740 |
| Service Connections | 1,252 |
Drinking Water Violations (6)
This water system has 6 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 1, 2002 | Dec 31, 2010 | MR | No | Yes | — | 7 MFL | — | Resolved | Dec 31, 2010 | — | |
| Jan 1, 2002 | Dec 31, 2010 | MR | No | Yes | — | 7 MFL | — | Resolved | Dec 31, 2010 | — | |
| Feb 1, 1994 | Feb 28, 1994 | MR | No | No | — | 5% of samples | — | Resolved | Feb 28, 1994 | — | |
| Jun 1, 1976 | May 31, 1980 | MR | No | No | — | 5 pCi/L | — | Archived | May 31, 1980 | — | |
| Jun 1, 1976 | May 31, 1980 | MR | No | No | — | 15 pCi/L | — | Archived | May 31, 1980 | — | |
| — | — | — | No | No | — | — | — | — | — | — |
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.