ROCKY BOY AGENCY WATER SYSTEM
Montana - Community Water System - PWSID: 083090077
System Information
| PWSID | 083090077 |
| System Name | ROCKY BOY AGENCY WATER SYSTEM |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Non-Inventory |
| Owner Type | Federal |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 4, 1980 |
| Last Reported | Mar 2, 2026 |
Location & Contact
| State | Montana |
| City | BOX ELDER |
| ZIP Code | 59521 |
| Address | ROCKY BOY UTILITIES - BOX 554 |
| Organization | - |
| Phone | 406-395-4344 |
Population & Service
| Population Served | - |
| Service Connections | 18 |
Drinking Water Violations (5)
This water system has 5 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Dec 1, 1993 | Dec 31, 1993 | MR | No | Yes | - | 5% of samples | - | Archived | Dec 31, 1993 | - | |
| Nov 1, 1993 | Nov 30, 1993 | MR | No | No | - | 5% of samples | - | Archived | Nov 30, 1993 | - | |
| Aug 1, 1992 | Aug 31, 1992 | MR | No | Yes | - | 5% of samples | - | Archived | Aug 31, 1992 | - | |
| Jun 1, 1976 | May 31, 1980 | MR | No | No | - | 15 pCi/L | - | Archived | May 31, 1980 | - | |
| Jun 1, 1976 | May 31, 1980 | MR | No | No | - | 5 pCi/L | - | Archived | May 31, 1980 | - |
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.