GOLDEN VALLEY COLONY
Montana - Community Water System - PWSID: MT0001580
System Information
| PWSID | MT0001580 |
| System Name | GOLDEN VALLEY 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 | Mar 5, 1980 |
| Last Reported | Jun 29, 2026 |
Location & Contact
| State | Montana |
| City | RYEGATE |
| ZIP Code | 59074 |
| Address | 100 GOLDEN VALLEY COLONY LANE |
| Organization | WIPF, BEN P |
| Phone | 406-568-2210 |
Population & Service
| Population Served | 100 |
| Service Connections | 8 |
Drinking Water Violations (23)
This water system has 23 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 30, 2014 | - | MR | No | No | - | TT | - | Resolved | Feb 11, 2015 | - | |
| Dec 30, 2014 | - | MR | No | No | - | TT | - | Resolved | Feb 11, 2015 | - | |
| Sep 1, 1996 | Sep 30, 1996 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 1996 | - | |
| Aug 1, 1995 | Aug 31, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 1995 | - | |
| Aug 1, 1995 | Aug 31, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 1995 | - | |
| Aug 1, 1995 | Aug 31, 1995 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 1995 | - | |
| Aug 1, 1992 | Aug 31, 1992 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 1992 | - | |
| Aug 1, 1992 | Aug 31, 1992 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 1992 | - | |
| Jul 1, 1992 | Jul 31, 1992 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 1992 | - | |
| Jul 1, 1992 | Jul 31, 1992 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 1992 | - | |
| Jul 1, 1992 | Jul 31, 1992 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 1992 | - | |
| Oct 1, 1981 | Sep 30, 1982 | MR | No | Yes | - | 0.05 mg/L | - | Archived | Sep 30, 1982 | - | |
| Oct 1, 1981 | Sep 30, 1982 | MR | No | Yes | - | 0.1 mg/L | - | Archived | Sep 30, 1982 | - | |
| Oct 1, 1981 | Sep 30, 1982 | MR | No | Yes | - | 2 mg/L | - | Archived | Sep 30, 1982 | - | |
| Oct 1, 1981 | Sep 30, 1982 | MR | No | Yes | - | 4.0 mg/L | - | Archived | Sep 30, 1982 | - | |
| Oct 1, 1981 | Sep 30, 1982 | MR | No | Yes | - | 0.002 mg/L | - | Archived | Sep 30, 1982 | - | |
| Oct 1, 1981 | Sep 30, 1982 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Sep 30, 1982 | - | |
| Oct 1, 1981 | Sep 30, 1982 | MR | No | Yes | - | 0.010 mg/L | - | Archived | Sep 30, 1982 | - | |
| Oct 1, 1981 | Sep 30, 1982 | MR | No | Yes | - | 10 mg/L | - | Archived | Sep 30, 1982 | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | 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.