MELSTONE TOWN OF
Montana — Community Water System — PWSID: MT0000290
System Information
| PWSID | MT0000290 |
| System Name | MELSTONE TOWN OF |
| 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 | Feb 13, 1979 |
| Last Reported | Jan 5, 2026 |
Location & Contact
| State | Montana |
| City | MELSTONE |
| ZIP Code | 59054 |
| Address | PO BOX 237 |
| Organization | NEWMAN, STEPHANIE |
| Phone | 406-358-2301 |
Population & Service
| Population Served | 170 |
| Service Connections | 92 |
Drinking Water Violations (437)
This water system has 437 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, 2024 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Unaddressed | — | Lead and Copper Rule |
| Oct 1, 2024 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Unaddressed | — | Lead and Copper Rule |
| Dec 30, 2021 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jan 13, 2022 | Lead and Copper Rule |
| Dec 30, 2021 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jan 13, 2022 | Lead and Copper Rule |
| Mar 1, 2021 | Mar 31, 2021 | Groundwater Rule | MR | No | Yes | — | — | — | Resolved | Mar 31, 2021 | Ground Water Rule |
| Mar 1, 2021 | Mar 31, 2021 | Groundwater Rule | MR | No | Yes | — | — | — | Resolved | Mar 31, 2021 | Ground Water Rule |
| Mar 1, 2021 | Mar 31, 2021 | Groundwater Rule | MR | No | Yes | — | — | — | Resolved | Mar 31, 2021 | Ground Water Rule |
| Oct 1, 2020 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Sep 22, 2021 | Lead and Copper Rule |
| Oct 1, 2020 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Sep 22, 2021 | Lead and Copper Rule |
| Oct 1, 2020 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Sep 22, 2021 | Lead and Copper Rule |
| May 1, 2019 | May 31, 2019 | Groundwater Rule | MR | No | Yes | — | — | — | Resolved | May 31, 2019 | Ground Water Rule |
| May 1, 2019 | May 31, 2019 | Groundwater Rule | MR | No | Yes | — | — | — | Resolved | May 31, 2019 | Ground Water Rule |
| May 1, 2019 | May 31, 2019 | Groundwater Rule | MR | No | Yes | — | — | — | Resolved | May 31, 2019 | Ground Water Rule |
| Jul 1, 2018 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Aug 16, 2018 | Consumer Confidence Rule |
| Jul 1, 2018 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Aug 16, 2018 | Consumer Confidence Rule |
| Dec 1, 2017 | Dec 31, 2017 | Groundwater Rule | MR | No | Yes | — | — | — | Resolved | Dec 31, 2017 | Ground Water Rule |
| Dec 1, 2017 | Dec 31, 2017 | Groundwater Rule | MR | No | Yes | — | — | — | Resolved | Dec 31, 2017 | Ground Water Rule |
| Dec 1, 2017 | Dec 31, 2017 | Groundwater Rule | MR | No | Yes | — | — | — | Resolved | Dec 31, 2017 | Ground Water Rule |
| Dec 1, 2017 | Dec 31, 2017 | Groundwater Rule | MR | No | Yes | — | — | — | Resolved | Dec 31, 2017 | Ground Water Rule |
| Sep 1, 2016 | Aug 31, 2019 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Aug 31, 2019 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Sep 1, 2016 | Aug 31, 2019 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Aug 31, 2019 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Sep 1, 2016 | Aug 31, 2019 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Aug 31, 2019 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Sep 1, 2016 | Aug 31, 2019 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Aug 31, 2019 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Sep 1, 2016 | Aug 31, 2019 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Aug 31, 2019 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Sep 1, 2016 | Aug 31, 2019 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Aug 31, 2019 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2015 | Jul 31, 2015 | Groundwater Rule | MR | No | Yes | — | — | — | Resolved | Jul 31, 2015 | Ground Water Rule |
| Jul 1, 2015 | Jul 31, 2015 | Groundwater Rule | MR | No | Yes | — | — | — | Resolved | Jul 31, 2015 | Ground Water Rule |
| Jul 1, 2015 | Jul 31, 2015 | Groundwater Rule | MR | No | Yes | — | — | — | Resolved | Jul 31, 2015 | Ground Water Rule |
| Feb 1, 2014 | Feb 28, 2014 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Feb 28, 2014 | Total Coliform Rule |
| Feb 1, 2014 | Feb 28, 2014 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Feb 28, 2014 | Total Coliform Rule |
| Feb 1, 2014 | Feb 28, 2014 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Feb 28, 2014 | Total Coliform Rule |
| Feb 1, 2014 | Feb 28, 2014 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Feb 28, 2014 | Total Coliform Rule |
| Oct 1, 2013 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | May 5, 2023 | Consumer Confidence Rule |
| Oct 1, 2013 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | May 5, 2023 | Consumer Confidence Rule |
| Jul 1, 2013 | Sep 30, 2013 | Methoxychlor | MR | No | Yes | — | 0.04 mg/L | — | Resolved | Sep 25, 2013 | Synthetic Organic Chemicals |
| Jul 1, 2013 | Sep 30, 2013 | BHC-GAMMA | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Sep 25, 2013 | Synthetic Organic Chemicals |
| Jul 1, 2013 | Sep 30, 2013 | 2,4-D | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Sep 25, 2013 | Synthetic Organic Chemicals |
| Jul 1, 2013 | Sep 30, 2013 | Toxaphene | MR | No | Yes | — | 0.003 mg/L | — | Resolved | Sep 25, 2013 | Synthetic Organic Chemicals |
| Jul 1, 2013 | Sep 30, 2013 | LASSO | MR | No | Yes | — | — | — | Resolved | Sep 25, 2013 | Synthetic Organic Chemicals |
| Jul 1, 2013 | Sep 30, 2013 | 2,4-D | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Sep 25, 2013 | Synthetic Organic Chemicals |
| Jul 1, 2013 | Sep 30, 2013 | Di(2-ethylhexyl) adipate | MR | No | Yes | — | 0.4 mg/L | — | Resolved | Sep 25, 2013 | Synthetic Organic Chemicals |
| Jul 1, 2013 | Sep 30, 2013 | Toxaphene | MR | No | Yes | — | 0.003 mg/L | — | Resolved | Sep 25, 2013 | Synthetic Organic Chemicals |
| Jul 1, 2013 | Sep 30, 2013 | Methoxychlor | MR | No | Yes | — | 0.04 mg/L | — | Resolved | Sep 25, 2013 | Synthetic Organic Chemicals |
| Jul 1, 2013 | Sep 30, 2013 | Toxaphene | MR | No | Yes | — | 0.003 mg/L | — | Resolved | Sep 25, 2013 | Synthetic Organic Chemicals |
| Jul 1, 2013 | Sep 30, 2013 | Heptachlor | MR | No | Yes | — | 0.0004 mg/L | — | Resolved | Sep 25, 2013 | Synthetic Organic Chemicals |
| Jul 1, 2013 | Sep 30, 2013 | Heptachlor epoxide | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Sep 25, 2013 | Synthetic Organic Chemicals |
| Jul 1, 2013 | Sep 30, 2013 | 2,4-D | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Sep 25, 2013 | Synthetic Organic Chemicals |
| Jul 1, 2013 | Sep 30, 2013 | HEXACHLOROBENZENE | MR | No | Yes | — | 0.001 mg/L | — | Resolved | Sep 25, 2013 | Synthetic Organic Chemicals |
| Jul 1, 2013 | Sep 30, 2013 | BHC-GAMMA | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Sep 25, 2013 | Synthetic Organic Chemicals |
| Jul 1, 2013 | Sep 30, 2013 | BHC-GAMMA | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Sep 25, 2013 | 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.