DUKES
Montana — Transient Non-Community — PWSID: MT0003658
System Information
| PWSID | MT0003658 |
| System Name | DUKES |
| System Type | Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Non-Inventory |
| Owner Type | Private |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Apr 26, 1993 |
| Last Reported | Jan 5, 2026 |
Location & Contact
| State | Montana |
| City | EUREKA |
| ZIP Code | 59917 |
| Address | PO BOX 775 |
| Organization | — |
| Phone | 406-889-3631 |
Population & Service
| Population Served | 300 |
| Service Connections | 1 |
Drinking Water Violations (36)
This water system has 36 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, 2000 | Sep 30, 2000 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2000 | Total Coliform Rule |
| Jul 1, 2000 | Sep 30, 2000 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2000 | Total Coliform Rule |
| Jul 1, 2000 | Sep 30, 2000 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2000 | Total Coliform Rule |
| Jul 1, 2000 | Sep 30, 2000 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2000 | Total Coliform Rule |
| Apr 1, 2000 | Jun 30, 2000 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2000 | Total Coliform Rule |
| Apr 1, 2000 | Jun 30, 2000 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2000 | Total Coliform Rule |
| Apr 1, 2000 | Jun 30, 2000 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2000 | Total Coliform Rule |
| Apr 1, 2000 | Jun 30, 2000 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2000 | Total Coliform Rule |
| Jul 1, 1999 | Aug 31, 1999 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 1999 | Total Coliform Rule |
| Jul 1, 1999 | Aug 31, 1999 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 1999 | Total Coliform Rule |
| May 20, 1999 | Jun 30, 1999 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 1999 | Total Coliform Rule |
| May 20, 1999 | Jun 30, 1999 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 1999 | Total Coliform Rule |
| May 20, 1999 | Jun 30, 1999 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 1999 | Total Coliform Rule |
| Jan 1, 1999 | Dec 31, 1999 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 1999 | Nitrate Rule |
| Jan 1, 1999 | Dec 31, 1999 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 1999 | Nitrate Rule |
| Jan 1, 1999 | Dec 31, 1999 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 1999 | Nitrate Rule |
| Jan 1, 1999 | Dec 31, 1999 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 1999 | Nitrate Rule |
| Jan 1, 1998 | Dec 31, 1998 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 1998 | Nitrate Rule |
| Jan 1, 1998 | Dec 31, 1998 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 1998 | Nitrate Rule |
| Jan 1, 1997 | Dec 31, 1997 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 1997 | Nitrate Rule |
| Jan 1, 1997 | Dec 31, 1997 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 1997 | Nitrate Rule |
| Jun 1, 1996 | Jun 30, 1996 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 1996 | Total Coliform Rule |
| Jun 1, 1996 | Jun 30, 1996 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 1996 | Total Coliform Rule |
| Jun 1, 1996 | Jun 30, 1996 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 1996 | Total Coliform Rule |
| Oct 1, 1995 | Oct 31, 1995 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 1995 | Total Coliform Rule |
| Oct 1, 1995 | Oct 31, 1995 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 1995 | Total Coliform Rule |
| Oct 1, 1995 | Oct 31, 1995 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 1995 | Total Coliform Rule |
| Mar 1, 1995 | Mar 31, 1995 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 1995 | Total Coliform Rule |
| Mar 1, 1995 | Mar 31, 1995 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 1995 | Total Coliform Rule |
| Mar 1, 1995 | Mar 31, 1995 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 1995 | Total Coliform Rule |
| Feb 1, 1995 | Feb 28, 1995 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Feb 28, 1995 | Total Coliform Rule |
| Feb 1, 1995 | Feb 28, 1995 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Feb 28, 1995 | Total Coliform Rule |
| Feb 1, 1995 | Feb 28, 1995 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Feb 28, 1995 | Total Coliform Rule |
| Jan 1, 1995 | Jan 31, 1995 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 1995 | Total Coliform Rule |
| Jan 1, 1995 | Jan 31, 1995 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 1995 | Total Coliform Rule |
| Jan 1, 1995 | Jan 31, 1995 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 1995 | Total Coliform 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.