WESTGATE CENEX
Montana — Transient Non-Community — PWSID: MT0003811
System Information
| PWSID | MT0003811 |
| System Name | WESTGATE CENEX |
| System Type | Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Aug 19, 1995 |
| Last Reported | Mar 26, 2026 |
Location & Contact
| State | Montana |
| City | BILLINGS |
| ZIP Code | 59103 |
| Address | PO BOX 1078 |
| Organization | SERPE, RON |
| Phone | 406-252-5519 |
Population & Service
| Population Served | 600 |
| Service Connections | 4 |
Drinking Water Violations (37)
This water system has 37 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2025 | — | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2025 | — | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2025 | — | |
| Aug 1, 2021 | Aug 31, 2021 | MON | No | Yes | — | — | — | Resolved | Aug 31, 2021 | — | |
| Aug 1, 2021 | Aug 31, 2021 | MON | No | Yes | — | — | — | Resolved | Aug 31, 2021 | — | |
| Aug 1, 2021 | Aug 31, 2021 | MON | No | Yes | — | — | — | Resolved | Aug 31, 2021 | — | |
| Dec 1, 2019 | Dec 31, 2019 | MON | No | Yes | — | — | — | Resolved | Dec 31, 2019 | — | |
| Dec 1, 2019 | Dec 31, 2019 | MON | No | Yes | — | — | — | Resolved | Dec 31, 2019 | — | |
| Dec 1, 2019 | Dec 31, 2019 | MON | No | Yes | — | — | — | Resolved | Dec 31, 2019 | — | |
| Oct 1, 2017 | Dec 31, 2017 | MON | No | Yes | — | — | — | Resolved | Dec 31, 2017 | — | |
| Oct 1, 2017 | Dec 31, 2017 | MON | No | Yes | — | — | — | Resolved | Dec 31, 2017 | — | |
| Oct 1, 2017 | Dec 31, 2017 | MON | No | Yes | — | — | — | Resolved | Dec 31, 2017 | — | |
| Apr 1, 2017 | Jun 30, 2017 | MON | No | Yes | — | — | — | Resolved | Jun 30, 2017 | — | |
| Apr 1, 2017 | Jun 30, 2017 | MON | No | Yes | — | — | — | Resolved | Jun 30, 2017 | — | |
| Apr 1, 2017 | Jun 30, 2017 | MON | No | Yes | — | — | — | Resolved | Jun 30, 2017 | — | |
| Jan 1, 2017 | Dec 31, 2017 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2017 | — | |
| Jan 1, 2017 | Dec 31, 2017 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2017 | — | |
| Jan 1, 2017 | Dec 31, 2017 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2017 | — | |
| Oct 1, 2010 | Dec 31, 2010 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2010 | — | |
| Oct 1, 2010 | Dec 31, 2010 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2010 | — | |
| Oct 1, 2010 | Dec 31, 2010 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2010 | — | |
| Oct 1, 2000 | Dec 31, 2000 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2000 | — | |
| Oct 1, 2000 | Dec 31, 2000 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2000 | — | |
| Oct 1, 2000 | Dec 31, 2000 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2000 | — | |
| Oct 1, 2000 | Dec 31, 2000 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2000 | — | |
| Jan 1, 2000 | Dec 31, 2000 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2000 | — | |
| Jan 1, 2000 | Dec 31, 2000 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2000 | — | |
| Jan 1, 2000 | Dec 31, 2000 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2000 | — | |
| Oct 1, 1996 | Oct 31, 1996 | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 1996 | — | |
| Oct 1, 1996 | Oct 31, 1996 | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 1996 | — | |
| Jan 1, 1996 | Jan 31, 1996 | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 1996 | — | |
| Jan 1, 1996 | Jan 31, 1996 | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 1996 | — | |
| Dec 1, 1995 | Dec 31, 1995 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 1995 | — | |
| Dec 1, 1995 | Dec 31, 1995 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 1995 | — | |
| Nov 1, 1995 | Nov 30, 1995 | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 1995 | — | |
| Nov 1, 1995 | Nov 30, 1995 | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 1995 | — | |
| Jul 1, 1995 | Jul 31, 1995 | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 1995 | — |
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.