WESTERN MOBILE VILLAGE DILLON
Montana — Community Water System — PWSID: MT0002171
System Information
| PWSID | MT0002171 |
| System Name | WESTERN MOBILE VILLAGE DILLON |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jan 28, 1982 |
| Last Reported | Jan 5, 2026 |
Location & Contact
| State | Montana |
| City | ALDER |
| ZIP Code | 59710 |
| Address | PO BOX 131 |
| Organization | MALONEY, BILL |
| Phone | 406-842-5666 |
Population & Service
| Population Served | 75 |
| Service Connections | 31 |
Drinking Water Violations (644)
This water system has 644 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, 2025 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jul 17, 2025 | Consumer Confidence Rule |
| Jul 1, 2025 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jul 17, 2025 | Consumer Confidence Rule |
| Oct 1, 2024 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Sep 16, 2025 | Lead and Copper Rule |
| Oct 1, 2024 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Sep 16, 2025 | Lead and Copper Rule |
| Oct 1, 2024 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Sep 16, 2025 | Lead and Copper Rule |
| Jul 1, 2024 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Aug 12, 2024 | Consumer Confidence Rule |
| Jul 1, 2024 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Aug 12, 2024 | Consumer Confidence Rule |
| Jul 1, 2023 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jul 25, 2023 | Consumer Confidence Rule |
| Jul 1, 2023 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jul 25, 2023 | Consumer Confidence Rule |
| Dec 30, 2021 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jan 25, 2022 | Lead and Copper Rule |
| Dec 30, 2021 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jan 25, 2022 | Lead and Copper Rule |
| Jul 1, 2021 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Sep 8, 2021 | Consumer Confidence Rule |
| Jul 1, 2021 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Sep 8, 2021 | Consumer Confidence Rule |
| Oct 1, 2020 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Sep 8, 2021 | Consumer Confidence Rule |
| Oct 1, 2020 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Sep 8, 2021 | Consumer Confidence Rule |
| Jul 1, 2020 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Aug 6, 2020 | Consumer Confidence Rule |
| Jul 1, 2020 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Aug 6, 2020 | Consumer Confidence Rule |
| Jan 1, 2020 | Dec 31, 2020 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2020 | Nitrate Rule |
| Jan 1, 2020 | Dec 31, 2020 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2020 | Nitrate Rule |
| Jan 1, 2020 | Dec 31, 2020 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2020 | Nitrate Rule |
| Dec 1, 2019 | Dec 31, 2019 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Dec 31, 2019 | Revised Total Coliform Rule |
| Dec 1, 2019 | Dec 31, 2019 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Dec 31, 2019 | Revised Total Coliform Rule |
| Dec 1, 2019 | Dec 31, 2019 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Dec 31, 2019 | Revised Total Coliform Rule |
| Jul 1, 2019 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Aug 6, 2019 | Consumer Confidence Rule |
| Jul 1, 2019 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Aug 6, 2019 | Consumer Confidence Rule |
| Feb 1, 2019 | Feb 28, 2019 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Feb 28, 2019 | Revised Total Coliform Rule |
| Feb 1, 2019 | Feb 28, 2019 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Feb 28, 2019 | Revised Total Coliform Rule |
| Feb 1, 2019 | Feb 28, 2019 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Feb 28, 2019 | Revised Total Coliform Rule |
| Oct 1, 2017 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Oct 23, 2017 | Consumer Confidence Rule |
| Oct 1, 2017 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Oct 23, 2017 | Consumer Confidence Rule |
| Oct 1, 2016 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Sep 11, 2018 | Lead and Copper Rule |
| Oct 1, 2016 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Sep 11, 2018 | Lead and Copper Rule |
| Oct 1, 2016 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Sep 11, 2018 | Lead and Copper Rule |
| Aug 5, 2015 | — | E. COLI | MR | No | Yes | — | — | — | Resolved | Oct 27, 2015 | Ground Water Rule |
| Aug 5, 2015 | — | E. COLI | MR | No | Yes | — | — | — | Resolved | Oct 27, 2015 | Ground Water Rule |
| Aug 5, 2015 | — | E. COLI | MR | No | Yes | — | — | — | Resolved | Oct 27, 2015 | Ground Water Rule |
| Jul 1, 2015 | Jul 31, 2015 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 31, 2015 | Total Coliform Rule |
| Jul 1, 2015 | Jul 31, 2015 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 31, 2015 | Total Coliform Rule |
| Jul 1, 2015 | Jul 31, 2015 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 31, 2015 | Total Coliform Rule |
| Jul 1, 2015 | Jul 31, 2015 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 31, 2015 | Total Coliform Rule |
| Jul 1, 2014 | Sep 30, 2014 | Aldicarb | MR | No | Yes | — | — | — | Resolved | Sep 30, 2014 | Synthetic Organic Chemicals |
| Jul 1, 2014 | Sep 30, 2014 | Aldicarb | MR | No | Yes | — | — | — | Resolved | Sep 30, 2014 | Synthetic Organic Chemicals |
| Jul 1, 2014 | Sep 30, 2014 | Aldicarb sulfoxide | MR | No | Yes | — | — | — | Resolved | Sep 30, 2014 | Synthetic Organic Chemicals |
| Jul 1, 2014 | Sep 30, 2014 | Aldicarb | MR | No | Yes | — | — | — | Resolved | Sep 30, 2014 | Synthetic Organic Chemicals |
| Jul 1, 2014 | Sep 30, 2014 | Atrazine | MR | No | Yes | — | 0.003 mg/L | — | Resolved | Sep 30, 2014 | Synthetic Organic Chemicals |
| Jul 1, 2014 | Sep 30, 2014 | Aldicarb | MR | No | Yes | — | — | — | Resolved | Sep 30, 2014 | Synthetic Organic Chemicals |
| Jul 1, 2014 | Sep 30, 2014 | Aldicarb sulfoxide | MR | No | Yes | — | — | — | Resolved | Sep 30, 2014 | Synthetic Organic Chemicals |
| Jul 1, 2014 | Sep 30, 2014 | Aldicarb | MR | No | Yes | — | — | — | Resolved | Sep 30, 2014 | Synthetic Organic Chemicals |
| Jul 1, 2014 | Sep 30, 2014 | Aldicarb | MR | No | Yes | — | — | — | Resolved | Sep 30, 2014 | Synthetic Organic Chemicals |
| Jul 1, 2014 | Sep 30, 2014 | Aldicarb sulfoxide | MR | No | Yes | — | — | — | Resolved | Sep 30, 2014 | Synthetic Organic Chemicals |
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.