BIG VALLEY WATER INC
Montana — Non-Transient Non-Community — PWSID: MT0003971
System Information
| PWSID | MT0003971 |
| System Name | BIG VALLEY WATER INC |
| System Type | Non-Transient Non-Community |
| Water Source | Surface Water Purchased |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 27, 1998 |
| Last Reported | Mar 26, 2026 |
Location & Contact
| State | Montana |
| City | GLASGOW |
| ZIP Code | 59230 |
| Address | 730 3RD AVE SOUTH |
| Organization | LERAAS, DAVID |
| Phone | 406-228-2614 |
Population & Service
| Population Served | 200 |
| Service Connections | 1 |
Drinking Water Violations (133)
This water system has 133 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Aug 1, 2025 | Aug 31, 2025 | MON | No | Yes | — | — | — | Resolved | Aug 31, 2025 | — | |
| Aug 1, 2025 | Aug 31, 2025 | MON | No | Yes | — | — | — | Resolved | Aug 31, 2025 | — | |
| Aug 1, 2025 | Aug 31, 2025 | MON | No | Yes | — | — | — | Resolved | Aug 31, 2025 | — | |
| Dec 30, 2024 | — | MR | No | No | — | TT | — | Resolved | Feb 4, 2025 | — | |
| Dec 30, 2024 | — | MR | No | No | — | TT | — | Resolved | Feb 4, 2025 | — | |
| Jun 1, 2023 | Jun 30, 2023 | MON | No | Yes | — | — | — | Resolved | Jun 30, 2023 | — | |
| Jun 1, 2023 | Jun 30, 2023 | MON | No | Yes | — | — | — | Resolved | Jun 30, 2023 | — | |
| Jun 1, 2023 | Jun 30, 2023 | MON | No | Yes | — | — | — | Resolved | Jun 30, 2023 | — | |
| Apr 1, 2023 | Jun 30, 2023 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Jun 30, 2023 | — | |
| Apr 1, 2023 | Jun 30, 2023 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Jun 30, 2023 | — | |
| Apr 1, 2023 | Jun 30, 2023 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Jun 30, 2023 | — | |
| Dec 1, 2022 | Dec 31, 2022 | MON | No | Yes | — | — | — | Resolved | Dec 31, 2022 | — | |
| Dec 1, 2022 | Dec 31, 2022 | MON | No | Yes | — | — | — | Resolved | Dec 31, 2022 | — | |
| Dec 1, 2022 | Dec 31, 2022 | MON | No | Yes | — | — | — | Resolved | Dec 31, 2022 | — | |
| Apr 1, 2022 | Jun 30, 2022 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Jun 30, 2022 | — | |
| Apr 1, 2022 | Jun 30, 2022 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Jun 30, 2022 | — | |
| Apr 1, 2022 | Jun 30, 2022 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Jun 30, 2022 | — | |
| Jul 1, 2021 | Sep 30, 2021 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Sep 30, 2021 | — | |
| Jul 1, 2021 | Sep 30, 2021 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Sep 30, 2021 | — | |
| Jul 1, 2021 | Sep 30, 2021 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Sep 30, 2021 | — | |
| Oct 1, 2019 | Dec 31, 2019 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Dec 31, 2019 | — | |
| Oct 1, 2019 | Dec 31, 2019 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Dec 31, 2019 | — | |
| Oct 1, 2019 | Dec 31, 2019 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Dec 31, 2019 | — | |
| Apr 1, 2019 | Jun 30, 2019 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Jun 30, 2019 | — | |
| Apr 1, 2019 | Jun 30, 2019 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Jun 30, 2019 | — | |
| Apr 1, 2019 | Jun 30, 2019 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Jun 30, 2019 | — | |
| Apr 1, 2018 | Jun 30, 2018 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Jun 30, 2018 | — | |
| Apr 1, 2018 | Jun 30, 2018 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Jun 30, 2018 | — | |
| Apr 1, 2018 | Jun 30, 2018 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Jun 30, 2018 | — | |
| Mar 1, 2018 | Mar 31, 2018 | MON | No | Yes | — | — | — | Resolved | Mar 31, 2018 | — | |
| Mar 1, 2018 | Mar 31, 2018 | MON | No | Yes | — | — | — | Resolved | Mar 31, 2018 | — | |
| Mar 1, 2018 | Mar 31, 2018 | MON | No | Yes | — | — | — | Resolved | Mar 31, 2018 | — | |
| Sep 1, 2017 | Sep 30, 2017 | MON | No | Yes | — | — | — | Resolved | Sep 30, 2017 | — | |
| Sep 1, 2017 | Sep 30, 2017 | MON | No | Yes | — | — | — | Resolved | Sep 30, 2017 | — | |
| Sep 1, 2017 | Sep 30, 2017 | MON | No | Yes | — | — | — | Resolved | Sep 30, 2017 | — | |
| Jul 1, 2017 | Sep 30, 2017 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Aug 29, 2017 | — | |
| Jul 1, 2017 | Sep 30, 2017 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Aug 29, 2017 | — | |
| Jul 1, 2017 | Sep 30, 2017 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Aug 29, 2017 | — | |
| May 1, 2017 | May 31, 2017 | MON | No | Yes | — | — | — | Resolved | May 31, 2017 | — | |
| May 1, 2017 | May 31, 2017 | MON | No | Yes | — | — | — | Resolved | May 31, 2017 | — | |
| May 1, 2017 | May 31, 2017 | MON | No | Yes | — | — | — | Resolved | May 31, 2017 | — | |
| Jan 1, 2017 | Mar 31, 2017 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Mar 31, 2017 | — | |
| Jan 1, 2017 | Mar 31, 2017 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Mar 31, 2017 | — | |
| Jan 1, 2017 | Mar 31, 2017 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Mar 31, 2017 | — | |
| Feb 1, 2016 | Feb 29, 2016 | MR | No | No | — | 5% of samples | — | Resolved | Feb 29, 2016 | — | |
| Feb 1, 2016 | Feb 29, 2016 | MR | No | No | — | 5% of samples | — | Resolved | Feb 29, 2016 | — | |
| Feb 1, 2016 | Feb 29, 2016 | MR | No | No | — | 5% of samples | — | Resolved | Feb 29, 2016 | — | |
| Feb 1, 2016 | Feb 29, 2016 | MR | No | No | — | 5% of samples | — | Resolved | Feb 29, 2016 | — | |
| Feb 1, 2016 | Feb 29, 2016 | MR | No | No | — | 5% of samples | — | Resolved | Feb 29, 2016 | — | |
| Feb 1, 2016 | Feb 29, 2016 | MR | No | No | — | 5% of samples | — | Resolved | Feb 29, 2016 | — |
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.