RIVERSIDE TR CT BIG SKY
Montana - Community Water System - PWSID: MT0000105
System Information
| PWSID | MT0000105 |
| System Name | RIVERSIDE TR CT BIG SKY |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Non-Inventory |
| Owner Type | Private |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 13, 1979 |
| Last Reported | Mar 26, 2026 |
Location & Contact
| State | Montana |
| City | BIG SKY |
| ZIP Code | 59716 |
| Address | PO BOX 160432 |
| Organization | - |
| Phone | 406-995-4981 |
Population & Service
| Population Served | 20 |
| Service Connections | 13 |
Drinking Water Violations (54)
This water system has 54 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 2003 | - | MR | No | No | - | TT | - | Resolved | Aug 5, 2003 | - | |
| Oct 1, 2003 | - | MR | No | No | - | TT | - | Resolved | Aug 5, 2003 | - | |
| Oct 1, 2003 | - | MR | No | No | - | TT | - | Resolved | Aug 5, 2003 | - | |
| Oct 1, 2003 | - | MR | No | No | - | TT | - | Resolved | Aug 5, 2003 | - | |
| Oct 1, 2003 | - | MR | No | No | - | TT | - | Resolved | Aug 5, 2003 | - | |
| Oct 1, 2003 | - | MR | No | No | - | TT | - | Resolved | Aug 5, 2003 | - | |
| Jun 2, 2003 | - | MR | No | No | - | TT | - | Resolved | Aug 5, 2003 | - | |
| Jun 1, 2003 | Jun 30, 2003 | MR | No | No | - | 5% of samples | - | Archived | Jun 30, 2003 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | - | - | Resolved | Aug 5, 2003 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Aug 5, 2003 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Aug 5, 2003 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.0004 mg/L | - | Resolved | Aug 5, 2003 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Aug 5, 2003 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.010 mg/L | - | Resolved | Aug 5, 2003 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.003 mg/L | - | Resolved | Aug 5, 2003 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.0002 mg/L | - | Resolved | Aug 5, 2003 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.05 mg/L | - | Resolved | Aug 5, 2003 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.04 mg/L | - | Resolved | Aug 5, 2003 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Aug 5, 2003 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Aug 5, 2003 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.0002 mg/L | - | Resolved | Aug 5, 2003 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.4 mg/L | - | Resolved | Aug 5, 2003 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | - | - | Resolved | Aug 5, 2003 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.05 mg/L | - | Resolved | Aug 5, 2003 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | - | - | Resolved | Aug 5, 2003 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.004 mg/L | - | Resolved | Aug 5, 2003 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Aug 5, 2003 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.04 mg/L | - | Resolved | Aug 5, 2003 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 2 mg/L | - | Resolved | Aug 5, 2003 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Aug 5, 2003 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Aug 5, 2003 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Aug 5, 2003 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.003 mg/L | - | Resolved | Aug 5, 2003 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.004 mg/L | - | Resolved | Aug 5, 2003 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.006 mg/L | - | Resolved | Aug 5, 2003 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.5 mg/L | - | Resolved | Aug 5, 2003 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.007 mg/L | - | Resolved | Aug 5, 2003 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | - | - | Resolved | Aug 5, 2003 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | - | - | Resolved | Aug 5, 2003 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.0002 mg/L | - | Resolved | Aug 5, 2003 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.07 mg/L | - | Resolved | Aug 5, 2003 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.05 mg/L | - | Resolved | Aug 5, 2003 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.001 mg/L | - | Resolved | Aug 5, 2003 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.006 mg/L | - | Resolved | Aug 5, 2003 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.001 mg/L | - | Resolved | Aug 5, 2003 | - | |
| Dec 1, 2000 | Dec 31, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 2000 | - | |
| Dec 1, 2000 | Dec 31, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 2000 | - | |
| Dec 1, 2000 | Dec 31, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 2000 | - | |
| Dec 1, 2000 | Dec 31, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 2000 | - | |
| Dec 1, 2000 | Dec 31, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 2000 | - |
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.