OILMONT COUNTY WATER DISTRICT
Montana — Community Water System — PWSID: MT0000587
System Information
| PWSID | MT0000587 |
| System Name | OILMONT COUNTY WATER DISTRICT |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 5, 1980 |
| Last Reported | Mar 26, 2026 |
Location & Contact
| State | Montana |
| City | SUNBURST |
| ZIP Code | 59482 |
| Address | PO BOX 129 |
| Organization | WALLEWEIN, MICHAEL J |
| Phone | 406-937-2775 |
Population & Service
| Population Served | 300 |
| Service Connections | 76 |
Drinking Water Violations (1,107)
This water system has 1,107 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, 2024 | — | Other | No | No | — | — | — | Resolved | Jul 29, 2024 | — | |
| Jul 1, 2024 | — | Other | No | No | — | — | — | Resolved | Jul 29, 2024 | — | |
| Jul 1, 2023 | — | Other | No | No | — | — | — | Resolved | Jul 13, 2023 | — | |
| Jul 1, 2023 | — | Other | No | No | — | — | — | Resolved | Jul 13, 2023 | — | |
| Sep 1, 2022 | Sep 30, 2022 | MR | No | Yes | — | — | — | Resolved | Sep 30, 2022 | — | |
| Sep 1, 2022 | Sep 30, 2022 | MR | No | Yes | — | — | — | Resolved | Sep 30, 2022 | — | |
| Sep 1, 2022 | Sep 30, 2022 | MR | No | Yes | — | — | — | Resolved | Sep 30, 2022 | — | |
| Sep 1, 2022 | Sep 30, 2022 | MR | No | Yes | — | — | — | Resolved | Sep 30, 2022 | — | |
| Sep 1, 2022 | Sep 30, 2022 | MR | No | Yes | — | — | — | Resolved | Sep 30, 2022 | — | |
| Sep 1, 2022 | Sep 30, 2022 | MR | No | Yes | — | — | — | Resolved | Sep 30, 2022 | — | |
| Sep 1, 2022 | Sep 30, 2022 | MR | No | Yes | — | — | — | Resolved | Sep 30, 2022 | — | |
| Sep 1, 2022 | Sep 30, 2022 | MR | No | Yes | — | — | — | Resolved | Sep 30, 2022 | — | |
| Apr 1, 2021 | Apr 30, 2021 | TT | Yes | No | — | — | — | Resolved | Apr 30, 2021 | — | |
| Apr 1, 2021 | Apr 30, 2021 | TT | Yes | No | — | — | — | Resolved | Apr 30, 2021 | — | |
| Apr 1, 2021 | Apr 30, 2021 | TT | Yes | No | — | — | — | Resolved | Apr 30, 2021 | — | |
| Apr 1, 2021 | Apr 30, 2021 | TT | Yes | No | — | — | — | Resolved | Apr 30, 2021 | — | |
| Mar 1, 2021 | Mar 31, 2021 | TT | Yes | No | — | — | — | Resolved | Mar 31, 2021 | — | |
| Mar 1, 2021 | Mar 31, 2021 | TT | Yes | No | — | — | — | Resolved | Mar 31, 2021 | — | |
| Mar 1, 2021 | Mar 31, 2021 | TT | Yes | No | — | — | — | Resolved | Mar 31, 2021 | — | |
| Mar 1, 2021 | Mar 31, 2021 | TT | Yes | No | — | — | — | Resolved | Mar 31, 2021 | — | |
| Feb 1, 2021 | Feb 28, 2021 | MR | No | Yes | — | — | — | Resolved | Feb 28, 2021 | — | |
| Feb 1, 2021 | Feb 28, 2021 | MR | No | Yes | — | — | — | Resolved | Feb 28, 2021 | — | |
| Feb 1, 2021 | Feb 28, 2021 | MR | No | Yes | — | — | — | Resolved | Feb 28, 2021 | — | |
| Feb 1, 2021 | Feb 28, 2021 | MR | No | Yes | — | — | — | Resolved | Feb 28, 2021 | — | |
| Oct 1, 2020 | — | MR | No | No | — | TT | — | Resolved | Aug 10, 2021 | — | |
| Oct 1, 2020 | — | MR | No | No | — | TT | — | Resolved | Aug 10, 2021 | — | |
| Oct 1, 2020 | — | MR | No | No | — | TT | — | Resolved | Aug 10, 2021 | — | |
| Jul 1, 2020 | — | Other | No | No | — | — | — | Resolved | Jul 27, 2020 | — | |
| Jul 1, 2020 | — | Other | No | No | — | — | — | Resolved | Jul 27, 2020 | — | |
| Jan 1, 2020 | Jan 31, 2020 | TT | Yes | No | — | — | — | Resolved | Jan 31, 2020 | — | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | — | 0.007 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | — | 0.075 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | — | 0.007 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | — | 0.007 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | — | 0.075 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | — | 0.075 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | — | 0.007 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | — | 0.075 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | — | 0.075 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | — | 0.007 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | — | 0.007 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Jan 1, 2020 | Jan 31, 2020 | TT | Yes | No | — | — | — | Resolved | Jan 31, 2020 | — | |
| Jan 1, 2020 | Jan 31, 2020 | TT | Yes | No | — | — | — | Resolved | Jan 31, 2020 | — | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | — | 0.075 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | — | 0.075 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | — | 0.075 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | — | 0.007 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | — | 0.075 mg/L | — | Resolved | Dec 31, 2022 | — |
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.