GRANT CREEK WATER USERS ASSOCIATION INC
Montana - Community Water System - PWSID: MT0003305
System Information
| PWSID | MT0003305 |
| System Name | GRANT CREEK WATER USERS ASSOCIATION INC |
| 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 | Dec 28, 1988 |
| Last Reported | Mar 26, 2026 |
Location & Contact
| State | Montana |
| City | MISSOULA |
| ZIP Code | 59808 |
| Address | PO BOX 17222 |
| Organization | HAYES, STEVE |
| Phone | 406-549-3389 |
Population & Service
| Population Served | 380 |
| Service Connections | 154 |
Drinking Water Violations (87)
This water system has 87 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 1, 2018 | - | Other | No | No | - | - | - | Resolved | Jul 24, 2018 | - | |
| Jul 1, 2018 | - | Other | No | No | - | - | - | Resolved | Jul 24, 2018 | - | |
| Jan 1, 2012 | Mar 31, 2012 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2012 | - | |
| Jan 1, 2012 | Mar 31, 2012 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2012 | - | |
| Jan 1, 2012 | Mar 31, 2012 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2012 | - | |
| Jan 1, 2012 | Mar 31, 2012 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2012 | - | |
| Jul 1, 2008 | Jul 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2008 | - | |
| Jul 1, 2008 | Jul 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2008 | - | |
| Jul 1, 2008 | Jul 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2008 | - | |
| Jul 1, 2008 | Jul 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2008 | - | |
| Jul 1, 2008 | Jul 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2008 | - | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | No | - | TT | - | Resolved | Dec 31, 2006 | - | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | No | - | TT | - | Resolved | Dec 31, 2006 | - | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | No | - | TT | - | Resolved | Dec 31, 2006 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | No | - | TT | - | Resolved | Dec 31, 2005 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | No | - | TT | - | Resolved | Dec 31, 2005 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | No | - | TT | - | Resolved | Dec 31, 2005 | - | |
| Jul 1, 2002 | Dec 31, 2002 | MR | No | No | - | TT | - | Resolved | Sep 20, 2002 | - | |
| Jul 1, 2002 | Dec 31, 2002 | MR | No | No | - | TT | - | Resolved | Sep 20, 2002 | - | |
| Jul 1, 2002 | Dec 31, 2002 | MR | No | No | - | TT | - | Resolved | Sep 20, 2002 | - | |
| Jan 1, 2002 | Jun 30, 2002 | MR | No | No | - | TT | - | Resolved | Jun 30, 2002 | - | |
| Jan 1, 2002 | Jun 30, 2002 | MR | No | No | - | TT | - | Resolved | Jun 30, 2002 | - | |
| Jan 1, 2002 | Jun 30, 2002 | MR | No | No | - | TT | - | Resolved | Jun 30, 2002 | - | |
| Jul 1, 2001 | Dec 31, 2001 | MR | No | No | - | TT | - | Resolved | Dec 31, 2001 | - | |
| Jul 1, 2001 | Dec 31, 2001 | MR | No | No | - | TT | - | Resolved | Dec 31, 2001 | - | |
| Jul 1, 2001 | Dec 31, 2001 | MR | No | No | - | TT | - | Resolved | Dec 31, 2001 | - | |
| Jul 1, 2001 | Dec 31, 2001 | MR | No | No | - | TT | - | Resolved | Dec 31, 2001 | - | |
| Jul 1, 2001 | Dec 31, 2001 | MR | No | No | - | TT | - | Resolved | Dec 31, 2001 | - | |
| Jul 1, 2001 | Dec 31, 2001 | MR | No | No | - | TT | - | Resolved | Dec 31, 2001 | - | |
| Jul 1, 2001 | Dec 31, 2001 | MR | No | No | - | TT | - | Resolved | Dec 31, 2001 | - | |
| Jul 1, 2001 | Dec 31, 2001 | MR | No | No | - | TT | - | Resolved | Dec 31, 2001 | - | |
| Jul 1, 2001 | Dec 31, 2001 | MR | No | No | - | TT | - | Resolved | Dec 31, 2001 | - | |
| Jul 1, 2001 | Dec 31, 2001 | MR | No | No | - | TT | - | Resolved | Dec 31, 2001 | - | |
| Jul 1, 2001 | Dec 31, 2001 | MR | No | No | - | TT | - | Resolved | Dec 31, 2001 | - | |
| Jul 1, 2001 | Dec 31, 2001 | MR | No | No | - | TT | - | Resolved | Dec 31, 2001 | - | |
| Jul 1, 2001 | Dec 31, 2001 | MR | No | No | - | TT | - | Resolved | Dec 31, 2001 | - | |
| Jul 1, 2001 | Dec 31, 2001 | MR | No | No | - | TT | - | Resolved | Dec 31, 2001 | - | |
| Jul 1, 2001 | Dec 31, 2001 | MR | No | No | - | TT | - | Resolved | Dec 31, 2001 | - | |
| Jan 1, 2001 | Jun 30, 2001 | MR | No | No | - | TT | - | Resolved | Jun 30, 2001 | - | |
| Jan 1, 2001 | Jun 30, 2001 | MR | No | No | - | TT | - | Resolved | Jun 30, 2001 | - | |
| Jan 1, 2001 | Jun 30, 2001 | MR | No | No | - | TT | - | Resolved | Jun 30, 2001 | - | |
| Jan 1, 2001 | Jun 30, 2001 | MR | No | No | - | TT | - | Resolved | Jun 30, 2001 | - | |
| Jan 1, 2001 | Jun 30, 2001 | MR | No | No | - | TT | - | Resolved | Jun 30, 2001 | - | |
| Jan 1, 2001 | Jun 30, 2001 | MR | No | No | - | TT | - | Resolved | Jun 30, 2001 | - | |
| Jul 1, 2000 | Dec 31, 2000 | MR | No | No | - | TT | - | Resolved | Dec 31, 2000 | - | |
| Jul 1, 2000 | Dec 31, 2000 | MR | No | No | - | TT | - | Resolved | Dec 31, 2000 | - | |
| Jul 1, 2000 | Dec 31, 2000 | MR | No | No | - | TT | - | Resolved | Dec 31, 2000 | - | |
| Jul 1, 2000 | Dec 31, 2000 | MR | No | No | - | TT | - | Resolved | Dec 31, 2000 | - | |
| Jul 1, 2000 | Dec 31, 2000 | MR | No | No | - | TT | - | Resolved | Dec 31, 2000 | - | |
| Jul 1, 2000 | Dec 31, 2000 | MR | No | No | - | TT | - | 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.