PONDERA COLONY WATER SYSTEMS
Montana — Community Water System — PWSID: MT0003744
System Information
| PWSID | MT0003744 |
| System Name | PONDERA COLONY WATER SYSTEMS |
| 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 | Aug 12, 1994 |
| Last Reported | Mar 26, 2026 |
Location & Contact
| State | Montana |
| City | VALIER |
| ZIP Code | 59486-5445 |
| Address | 300 PONDERA COLONY RD |
| Organization | WALDNER, ISAAC J |
| Phone | 406-279-3629 |
Population & Service
| Population Served | 112 |
| Service Connections | 9 |
Drinking Water Violations (29)
This water system has 29 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, 2018 | Sep 30, 2021 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Sep 30, 2021 | — | |
| Oct 1, 2018 | Sep 30, 2021 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Sep 30, 2021 | — | |
| Oct 1, 2018 | Sep 30, 2021 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Sep 30, 2021 | — | |
| Oct 1, 2018 | Sep 30, 2021 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Sep 30, 2021 | — | |
| Oct 1, 2018 | Sep 30, 2021 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Sep 30, 2021 | — | |
| Oct 1, 2018 | Sep 30, 2021 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Sep 30, 2021 | — | |
| Jan 1, 2014 | — | MR | No | No | — | TT | — | Resolved | Jan 29, 2014 | — | |
| Jan 1, 2014 | — | MR | No | No | — | TT | — | Resolved | Jan 29, 2014 | — | |
| Jul 1, 2011 | — | Other | No | No | — | — | — | Resolved | Aug 9, 2011 | — | |
| Jul 1, 2011 | — | Other | No | No | — | — | — | Resolved | Aug 9, 2011 | — | |
| Jul 1, 2011 | — | Other | No | No | — | — | — | Resolved | Aug 9, 2011 | — | |
| Oct 1, 2001 | — | MR | No | No | — | TT | — | Resolved | Feb 2, 2004 | — | |
| Jan 1, 1999 | — | MR | No | No | — | TT | — | Resolved | Feb 18, 2004 | — | |
| Jan 1, 1999 | — | MR | No | No | — | TT | — | Resolved | Feb 18, 2004 | — | |
| Jan 1, 1999 | — | MR | No | No | — | TT | — | Resolved | Feb 18, 2004 | — | |
| Jan 1, 1999 | — | MR | No | No | — | TT | — | Resolved | Feb 18, 2004 | — | |
| Jan 1, 1999 | — | MR | No | No | — | TT | — | Resolved | Feb 18, 2004 | — | |
| Oct 1, 1998 | Oct 31, 1998 | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 1998 | — | |
| Oct 1, 1998 | Oct 31, 1998 | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 1998 | — | |
| Dec 1, 1997 | Dec 31, 1997 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 1997 | — | |
| Dec 1, 1997 | Dec 31, 1997 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 1997 | — | |
| Jan 1, 1997 | — | MR | No | No | — | TT | — | Resolved | Feb 18, 2004 | — | |
| Jan 1, 1997 | — | MR | No | No | — | TT | — | Resolved | Feb 18, 2004 | — | |
| Jan 1, 1997 | — | MR | No | No | — | TT | — | Resolved | Feb 18, 2004 | — | |
| Jan 1, 1997 | — | MR | No | No | — | TT | — | Resolved | Feb 18, 2004 | — | |
| Jun 1, 1995 | Jun 30, 1995 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 1995 | — | |
| Jun 1, 1995 | Jun 30, 1995 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 1995 | — | |
| Jul 1, 1994 | Jul 31, 1994 | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 1994 | — | |
| Jul 1, 1994 | Jul 31, 1994 | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 1994 | — |
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.