CENTENNIAL HOMEOWNER'S ASSOCIATION, INC
Montana — Community Water System — PWSID: MT0004438
System Information
| PWSID | MT0004438 |
| System Name | CENTENNIAL HOMEOWNER'S 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 | Oct 30, 2007 |
| Last Reported | Mar 26, 2026 |
Location & Contact
| State | Montana |
| City | CORVALLIS |
| ZIP Code | 59828 |
| Address | 231 LAMOREAUX WAY |
| Organization | MCKINNON, PATRICK |
| Phone | 406-361-3717 |
Population & Service
| Population Served | 115 |
| Service Connections | 46 |
Drinking Water Violations (25)
This water system has 25 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Nov 1, 2010 | Nov 30, 2010 | MCL | Yes | No | — | 5% of samples | — | Resolved | Nov 30, 2010 | — | |
| Nov 1, 2010 | Nov 30, 2010 | MCL | Yes | No | — | 5% of samples | — | Resolved | Nov 30, 2010 | — | |
| Nov 1, 2010 | Nov 30, 2010 | MCL | Yes | No | — | 5% of samples | — | Resolved | Nov 30, 2010 | — | |
| Nov 1, 2010 | Nov 30, 2010 | MCL | Yes | No | — | 5% of samples | — | Resolved | Nov 30, 2010 | — | |
| Nov 1, 2010 | Nov 30, 2010 | MCL | Yes | No | — | 5% of samples | — | Resolved | Nov 30, 2010 | — | |
| Aug 1, 2010 | Aug 31, 2010 | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2010 | — | |
| Aug 1, 2010 | Aug 31, 2010 | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2010 | — | |
| Aug 1, 2010 | Aug 31, 2010 | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2010 | — | |
| Aug 1, 2010 | Aug 31, 2010 | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2010 | — | |
| Aug 1, 2010 | Aug 31, 2010 | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2010 | — | |
| Oct 1, 2008 | Oct 31, 2008 | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 2008 | — | |
| Oct 1, 2008 | Oct 31, 2008 | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 2008 | — | |
| Oct 1, 2008 | Oct 31, 2008 | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 2008 | — | |
| Oct 1, 2008 | Oct 31, 2008 | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 2008 | — | |
| Oct 1, 2008 | Oct 31, 2008 | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 2008 | — | |
| Nov 1, 2007 | Nov 30, 2007 | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2007 | — | |
| Nov 1, 2007 | Nov 30, 2007 | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2007 | — | |
| Nov 1, 2007 | Nov 30, 2007 | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2007 | — | |
| Nov 1, 2007 | Nov 30, 2007 | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2007 | — | |
| Jul 1, 2007 | Sep 30, 2007 | MR | No | Yes | — | 15 pCi/L | — | Resolved | Sep 30, 2007 | — | |
| Jul 1, 2007 | Sep 30, 2007 | MR | No | Yes | — | 15 pCi/L | — | Resolved | Sep 30, 2007 | — | |
| Jul 1, 2007 | Sep 30, 2007 | MR | No | Yes | — | 15 pCi/L | — | Resolved | Sep 30, 2007 | — | |
| Jul 1, 2007 | Sep 30, 2007 | MR | No | Yes | — | 5 pCi/L | — | Resolved | Sep 30, 2007 | — | |
| Jul 1, 2007 | Sep 30, 2007 | MR | No | Yes | — | 5 pCi/L | — | Resolved | Sep 30, 2007 | — | |
| Jul 1, 2007 | Sep 30, 2007 | MR | No | Yes | — | 5 pCi/L | — | Resolved | Sep 30, 2007 | — |
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.