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 | Jan 5, 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 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jul 24, 2018 | Consumer Confidence Rule |
| Jul 1, 2018 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jul 24, 2018 | Consumer Confidence Rule |
| Jan 1, 2012 | Mar 31, 2012 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2012 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2012 | Mar 31, 2012 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2012 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2012 | Mar 31, 2012 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2012 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2012 | Mar 31, 2012 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2012 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2008 | Jul 31, 2008 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2008 | Total Coliform Rule |
| Jul 1, 2008 | Jul 31, 2008 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2008 | Total Coliform Rule |
| Jul 1, 2008 | Jul 31, 2008 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2008 | Total Coliform Rule |
| Jul 1, 2008 | Jul 31, 2008 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2008 | Total Coliform Rule |
| Jul 1, 2008 | Jul 31, 2008 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2008 | Total Coliform Rule |
| Jan 1, 2006 | Dec 31, 2006 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2006 | Lead and Copper Rule |
| Jan 1, 2006 | Dec 31, 2006 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2006 | Lead and Copper Rule |
| Jan 1, 2006 | Dec 31, 2006 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2006 | Lead and Copper Rule |
| Jan 1, 2005 | Dec 31, 2005 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2005 | Lead and Copper Rule |
| Jan 1, 2005 | Dec 31, 2005 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2005 | Lead and Copper Rule |
| Jan 1, 2005 | Dec 31, 2005 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2005 | Lead and Copper Rule |
| Jul 1, 2002 | Dec 31, 2002 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Sep 20, 2002 | Lead and Copper Rule |
| Jul 1, 2002 | Dec 31, 2002 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Sep 20, 2002 | Lead and Copper Rule |
| Jul 1, 2002 | Dec 31, 2002 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Sep 20, 2002 | Lead and Copper Rule |
| Jan 1, 2002 | Jun 30, 2002 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jun 30, 2002 | Lead and Copper Rule |
| Jan 1, 2002 | Jun 30, 2002 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jun 30, 2002 | Lead and Copper Rule |
| Jan 1, 2002 | Jun 30, 2002 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jun 30, 2002 | Lead and Copper Rule |
| Jul 1, 2001 | Dec 31, 2001 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2001 | Lead and Copper Rule |
| Jul 1, 2001 | Dec 31, 2001 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2001 | Lead and Copper Rule |
| Jul 1, 2001 | Dec 31, 2001 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2001 | Lead and Copper Rule |
| Jul 1, 2001 | Dec 31, 2001 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2001 | Lead and Copper Rule |
| Jul 1, 2001 | Dec 31, 2001 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2001 | Lead and Copper Rule |
| Jul 1, 2001 | Dec 31, 2001 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2001 | Lead and Copper Rule |
| Jul 1, 2001 | Dec 31, 2001 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2001 | Lead and Copper Rule |
| Jul 1, 2001 | Dec 31, 2001 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2001 | Lead and Copper Rule |
| Jul 1, 2001 | Dec 31, 2001 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2001 | Lead and Copper Rule |
| Jul 1, 2001 | Dec 31, 2001 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2001 | Lead and Copper Rule |
| Jul 1, 2001 | Dec 31, 2001 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2001 | Lead and Copper Rule |
| Jul 1, 2001 | Dec 31, 2001 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2001 | Lead and Copper Rule |
| Jul 1, 2001 | Dec 31, 2001 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2001 | Lead and Copper Rule |
| Jul 1, 2001 | Dec 31, 2001 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2001 | Lead and Copper Rule |
| Jul 1, 2001 | Dec 31, 2001 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2001 | Lead and Copper Rule |
| Jan 1, 2001 | Jun 30, 2001 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jun 30, 2001 | Lead and Copper Rule |
| Jan 1, 2001 | Jun 30, 2001 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jun 30, 2001 | Lead and Copper Rule |
| Jan 1, 2001 | Jun 30, 2001 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jun 30, 2001 | Lead and Copper Rule |
| Jan 1, 2001 | Jun 30, 2001 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jun 30, 2001 | Lead and Copper Rule |
| Jan 1, 2001 | Jun 30, 2001 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jun 30, 2001 | Lead and Copper Rule |
| Jan 1, 2001 | Jun 30, 2001 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jun 30, 2001 | Lead and Copper Rule |
| Jul 1, 2000 | Dec 31, 2000 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2000 | Lead and Copper Rule |
| Jul 1, 2000 | Dec 31, 2000 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2000 | Lead and Copper Rule |
| Jul 1, 2000 | Dec 31, 2000 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2000 | Lead and Copper Rule |
| Jul 1, 2000 | Dec 31, 2000 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2000 | Lead and Copper Rule |
| Jul 1, 2000 | Dec 31, 2000 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2000 | Lead and Copper Rule |
| Jul 1, 2000 | Dec 31, 2000 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2000 | Lead and Copper Rule |
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.