BUFFALO RANCH WATER COMPANY
Montana - Community Water System - PWSID: MT0004047
System Information
| PWSID | MT0004047 |
| System Name | BUFFALO RANCH WATER COMPANY |
| 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 17, 2025 |
| Last Reported | Jun 29, 2026 |
Location & Contact
| State | Montana |
| City | PRAY |
| ZIP Code | 59065 |
| Address | 57 COWBOY LAKE RD |
| Organization | MARCOTTE, DONNA |
| Phone | 704-609-6119 |
Population & Service
| Population Served | 33 |
| Service Connections | 16 |
Drinking Water Violations (73)
This water system has 73 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, 2026 | Mar 31, 2026 | MR | No | Yes | - | 0.0002 mg/L | - | Resolved | Mar 24, 2026 | - | |
| Jan 1, 2026 | Mar 31, 2026 | MR | No | Yes | - | 0.003 mg/L | - | Resolved | Mar 24, 2026 | - | |
| Jan 1, 2026 | Mar 31, 2026 | MR | No | Yes | - | 0.003 mg/L | - | Resolved | Mar 24, 2026 | - | |
| Jan 1, 2026 | Mar 31, 2026 | MR | No | Yes | - | 0.003 mg/L | - | Resolved | Mar 24, 2026 | - | |
| Jan 1, 2026 | Mar 31, 2026 | MR | No | Yes | - | 0.0002 mg/L | - | Resolved | Mar 24, 2026 | - | |
| Jan 1, 2026 | Mar 31, 2026 | MR | No | Yes | - | 0.0002 mg/L | - | Resolved | Mar 24, 2026 | - | |
| Jan 1, 2026 | Mar 31, 2026 | MR | No | Yes | - | 0.0002 mg/L | - | Resolved | Mar 24, 2026 | - | |
| Jan 1, 2026 | Mar 31, 2026 | MR | No | Yes | - | 0.05 mg/L | - | Resolved | Mar 24, 2026 | - | |
| Jan 1, 2026 | Mar 31, 2026 | MR | No | Yes | - | 0.05 mg/L | - | Resolved | Mar 24, 2026 | - | |
| Jan 1, 2026 | Mar 31, 2026 | MR | No | Yes | - | 0.05 mg/L | - | Resolved | Mar 24, 2026 | - | |
| Jan 1, 2026 | Mar 31, 2026 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Mar 24, 2026 | - | |
| Jan 1, 2026 | Mar 31, 2026 | MR | No | Yes | - | 0.0002 mg/L | - | Resolved | Mar 24, 2026 | - | |
| Jan 1, 2026 | Mar 31, 2026 | MR | No | Yes | - | 0.0002 mg/L | - | Resolved | Mar 24, 2026 | - | |
| Jan 1, 2026 | Mar 31, 2026 | MR | No | Yes | - | 0.0002 mg/L | - | Resolved | Mar 24, 2026 | - | |
| Jan 1, 2026 | Mar 31, 2026 | MR | No | Yes | - | 0.0002 mg/L | - | Resolved | Mar 24, 2026 | - | |
| Jan 1, 2026 | Mar 31, 2026 | MR | No | Yes | - | 0.0002 mg/L | - | Resolved | Mar 24, 2026 | - | |
| Jan 1, 2026 | Mar 31, 2026 | MR | No | Yes | - | 15 pCi/L | - | Archived | Mar 31, 2026 | - | |
| Jan 1, 2026 | Mar 31, 2026 | MR | No | Yes | - | 15 pCi/L | - | Archived | Mar 31, 2026 | - | |
| Jan 1, 2026 | Mar 31, 2026 | MR | No | Yes | - | 0.001 mg/L | - | Resolved | Mar 24, 2026 | - | |
| Jan 1, 2026 | Mar 31, 2026 | MR | No | Yes | - | 0.4 mg/L | - | Resolved | Mar 24, 2026 | - | |
| Jan 1, 2026 | Mar 31, 2026 | MR | No | Yes | - | 0.04 mg/L | - | Resolved | Mar 24, 2026 | - | |
| Jan 1, 2026 | Mar 31, 2026 | MR | No | Yes | - | 0.04 mg/L | - | Resolved | Mar 24, 2026 | - | |
| Jan 1, 2026 | Mar 31, 2026 | MR | No | Yes | - | 0.04 mg/L | - | Resolved | Mar 24, 2026 | - | |
| Jan 1, 2026 | Mar 31, 2026 | MR | No | Yes | - | 0.04 mg/L | - | Resolved | Mar 24, 2026 | - | |
| Jan 1, 2026 | Mar 31, 2026 | MR | No | Yes | - | 0.04 mg/L | - | Resolved | Mar 24, 2026 | - | |
| Jan 1, 2026 | Mar 31, 2026 | MR | No | Yes | - | 0.04 mg/L | - | Resolved | Mar 24, 2026 | - | |
| Jan 1, 2026 | Mar 31, 2026 | MR | No | Yes | - | 0.4 mg/L | - | Resolved | Mar 24, 2026 | - | |
| Jan 1, 2026 | Mar 31, 2026 | MR | No | Yes | - | 0.4 mg/L | - | Resolved | Mar 24, 2026 | - | |
| Jan 1, 2026 | Mar 31, 2026 | MR | No | Yes | - | 0.001 mg/L | - | Resolved | Mar 24, 2026 | - | |
| Jan 1, 2026 | Mar 31, 2026 | MR | No | Yes | - | 0.07 mg/L | - | Resolved | Mar 24, 2026 | - | |
| Jan 1, 2026 | Mar 31, 2026 | MR | No | Yes | - | 0.07 mg/L | - | Resolved | Mar 24, 2026 | - | |
| Jan 1, 2026 | Mar 31, 2026 | MR | No | Yes | - | 0.07 mg/L | - | Resolved | Mar 24, 2026 | - | |
| Jan 1, 2026 | Mar 31, 2026 | MR | No | Yes | - | 0.5 mg/L | - | Resolved | Mar 24, 2026 | - | |
| Jan 1, 2026 | Mar 31, 2026 | MR | No | Yes | - | 0.5 mg/L | - | Resolved | Mar 24, 2026 | - | |
| Jan 1, 2026 | Mar 31, 2026 | MR | No | Yes | - | 0.5 mg/L | - | Resolved | Mar 24, 2026 | - | |
| Jan 1, 2026 | Mar 31, 2026 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Mar 24, 2026 | - | |
| Jan 1, 2026 | Mar 31, 2026 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Mar 24, 2026 | - | |
| Jan 1, 2026 | Mar 31, 2026 | MR | No | Yes | - | - | - | Resolved | Mar 24, 2026 | - | |
| Jan 1, 2026 | Mar 31, 2026 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Mar 24, 2026 | - | |
| Jan 1, 2026 | Mar 31, 2026 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Mar 24, 2026 | - | |
| Jan 1, 2026 | Mar 31, 2026 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Mar 24, 2026 | - | |
| Jan 1, 2026 | Mar 31, 2026 | MR | No | Yes | - | 0.001 mg/L | - | Resolved | Mar 24, 2026 | - | |
| Jan 1, 2026 | Mar 31, 2026 | MR | No | Yes | - | 0.001 mg/L | - | Resolved | Mar 24, 2026 | - | |
| Jan 1, 2026 | Mar 31, 2026 | MR | No | Yes | - | 0.001 mg/L | - | Resolved | Mar 24, 2026 | - | |
| Jan 1, 2026 | Mar 31, 2026 | MR | No | Yes | - | - | - | Resolved | Mar 24, 2026 | - | |
| Jan 1, 2026 | Mar 31, 2026 | MR | No | Yes | - | - | - | Resolved | Mar 24, 2026 | - | |
| Jan 1, 2026 | Mar 31, 2026 | MR | No | Yes | - | 5 pCi/L | - | Archived | Mar 31, 2026 | - | |
| Jan 1, 2026 | Mar 31, 2026 | MR | No | Yes | - | 0.05 mg/L | - | Resolved | Mar 24, 2026 | - | |
| Jan 1, 2026 | Mar 31, 2026 | MR | No | Yes | - | 0.05 mg/L | - | Resolved | Mar 24, 2026 | - | |
| Jan 1, 2026 | Mar 31, 2026 | MR | No | Yes | - | 0.05 mg/L | - | Resolved | Mar 24, 2026 | - |
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.