DEVON WATER INC
Montana - Community Water System - PWSID: MT0000200
System Information
| PWSID | MT0000200 |
| System Name | DEVON WATER INC |
| System Type | Community Water System |
| Water Source | Ground Water Purchased |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 13, 1979 |
| Last Reported | Mar 26, 2026 |
Location & Contact
| State | Montana |
| City | SHELBY |
| ZIP Code | 59474 |
| Address | 164 WHITE RD |
| Organization | WHITE, DALE |
| Phone | 406-432-2977 |
Population & Service
| Population Served | 75 |
| Service Connections | 24 |
Drinking Water Violations (787)
This water system has 787 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, 2025 | - | MR | No | No | - | TT | - | Unaddressed | - | - | |
| Oct 1, 2025 | - | MR | No | No | - | TT | - | Unaddressed | - | - | |
| Jul 1, 2024 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Oct 1, 2023 | - | MR | No | No | - | TT | - | Resolved | Feb 2, 2024 | - | |
| Oct 1, 2023 | - | MR | No | No | - | TT | - | Resolved | Feb 2, 2024 | - | |
| Jul 1, 2023 | - | Other | No | No | - | - | - | Resolved | Jul 31, 2023 | - | |
| Jul 1, 2023 | - | Other | No | No | - | - | - | Resolved | Jul 31, 2023 | - | |
| Jul 1, 2022 | - | MR | No | No | - | TT | - | Resolved | Jul 25, 2022 | - | |
| Jul 1, 2022 | - | Other | No | No | - | - | - | Resolved | Sep 28, 2022 | - | |
| Jul 1, 2022 | - | Other | No | No | - | - | - | Resolved | Sep 28, 2022 | - | |
| Jul 1, 2022 | - | MR | No | No | - | TT | - | Resolved | Jul 25, 2022 | - | |
| Jul 1, 2022 | - | MR | No | No | - | TT | - | Resolved | Jul 25, 2022 | - | |
| Apr 1, 2022 | - | MR | No | No | - | TT | - | Resolved | Apr 4, 2022 | - | |
| Apr 1, 2022 | - | MR | No | No | - | TT | - | Resolved | Apr 4, 2022 | - | |
| Jul 1, 2021 | - | MR | No | No | - | TT | - | Resolved | Jul 12, 2021 | - | |
| Jul 1, 2021 | - | MR | No | No | - | TT | - | Resolved | Jul 12, 2021 | - | |
| Jul 1, 2021 | - | MR | No | No | - | TT | - | Resolved | Jul 12, 2021 | - | |
| Dec 30, 2020 | - | MR | No | No | - | TT | - | Resolved | Jan 20, 2021 | - | |
| Dec 30, 2020 | - | MR | No | No | - | TT | - | Resolved | Jan 20, 2021 | - | |
| Jul 1, 2020 | - | Other | No | No | - | - | - | Resolved | Aug 19, 2020 | - | |
| Jul 1, 2020 | Sep 30, 2020 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Sep 30, 2020 | - | |
| Jul 1, 2020 | - | Other | No | No | - | - | - | Resolved | Aug 19, 2020 | - | |
| Jul 1, 2020 | Sep 30, 2020 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Sep 30, 2020 | - | |
| Jul 1, 2020 | Sep 30, 2020 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Sep 30, 2020 | - | |
| Jul 1, 2020 | Sep 30, 2020 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Sep 30, 2020 | - | |
| Jul 1, 2020 | Sep 30, 2020 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Sep 30, 2020 | - | |
| Jul 1, 2020 | Sep 30, 2020 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Sep 30, 2020 | - | |
| Oct 1, 2019 | - | MR | No | No | - | TT | - | Resolved | Jun 9, 2020 | - | |
| Oct 1, 2019 | - | MR | No | No | - | TT | - | Resolved | Jun 9, 2020 | - | |
| Oct 1, 2019 | - | MR | No | No | - | TT | - | Resolved | Jun 9, 2020 | - | |
| Apr 1, 2019 | Jun 30, 2019 | MCL | Yes | No | 84.9 UG/L | 0.080 mg/L | 80 | Resolved | Jun 30, 2019 | - | |
| Apr 1, 2019 | Jun 30, 2019 | MCL | Yes | No | 84.9 UG/L | 0.080 mg/L | 80 | Resolved | Jun 30, 2019 | - | |
| Apr 1, 2019 | Jun 30, 2019 | MCL | Yes | No | 62.5 UG/L | 0.060 mg/L | 60 | Resolved | Jun 30, 2019 | - | |
| Apr 1, 2019 | Jun 30, 2019 | MCL | Yes | No | 62.5 UG/L | 0.060 mg/L | 60 | Resolved | Jun 30, 2019 | - | |
| Apr 1, 2019 | Jun 30, 2019 | MCL | Yes | No | 84.9 UG/L | 0.080 mg/L | 80 | Resolved | Jun 30, 2019 | - | |
| Apr 1, 2019 | Jun 30, 2019 | MCL | Yes | No | 62.5 UG/L | 0.060 mg/L | 60 | Resolved | Jun 30, 2019 | - | |
| Jan 1, 2019 | Dec 31, 2019 | MR | No | Yes | - | 0.7 mg/L | - | Archived | Dec 31, 2019 | - | |
| Jan 1, 2019 | Dec 31, 2019 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Dec 31, 2019 | - | |
| Jan 1, 2019 | Dec 31, 2019 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Dec 31, 2019 | - | |
| Jan 1, 2019 | Dec 31, 2019 | MR | No | Yes | - | 0.6 mg/L | - | Archived | Dec 31, 2019 | - | |
| Jan 1, 2019 | Dec 31, 2019 | MR | No | Yes | - | 10 mg/L | - | Archived | Dec 31, 2019 | - | |
| Jan 1, 2019 | Dec 31, 2019 | MR | No | Yes | - | 0.07 mg/L | - | Archived | Dec 31, 2019 | - | |
| Jan 1, 2019 | Dec 31, 2019 | MR | No | Yes | - | 0.002 mg/L | - | Archived | Dec 31, 2019 | - | |
| Jan 1, 2019 | Dec 31, 2019 | MR | No | Yes | - | 0.07 mg/L | - | Archived | Dec 31, 2019 | - | |
| Jan 1, 2019 | Dec 31, 2019 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Dec 31, 2019 | - | |
| Jan 1, 2019 | Dec 31, 2019 | MR | No | Yes | - | 0.1 mg/L | - | Archived | Dec 31, 2019 | - | |
| Jan 1, 2019 | Dec 31, 2019 | MR | No | Yes | - | 0.2 mg/L | - | Archived | Dec 31, 2019 | - | |
| Jan 1, 2019 | Dec 31, 2019 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Dec 31, 2019 | - | |
| Jan 1, 2019 | Dec 31, 2019 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Dec 31, 2019 | - | |
| Jan 1, 2019 | Dec 31, 2019 | MR | No | Yes | - | 1 mg/L | - | Archived | Dec 31, 2019 | - |
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.