RAMSAY WATER AND SEWER DISTRICT
Montana — Community Water System — PWSID: MT0000578
System Information
| PWSID | MT0000578 |
| System Name | RAMSAY WATER AND SEWER DISTRICT |
| 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 | Mar 5, 1980 |
| Last Reported | Jan 5, 2026 |
Location & Contact
| State | Montana |
| City | RAMSAY |
| ZIP Code | 59748 |
| Address | PO BOX 52 |
| Organization | HUNT, GAYLE |
| Phone | 406-498-1335 |
Population & Service
| Population Served | 97 |
| Service Connections | 35 |
Drinking Water Violations (119)
This water system has 119 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, 2024 | Dec 31, 2024 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2024 | Nitrate Rule |
| Jan 1, 2024 | Dec 31, 2024 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2024 | Nitrate Rule |
| Jan 1, 2024 | Dec 31, 2024 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2024 | Nitrate Rule |
| Oct 1, 2023 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jun 11, 2025 | Lead and Copper Rule |
| Oct 1, 2023 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jun 11, 2025 | Lead and Copper Rule |
| Oct 1, 2023 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jun 11, 2025 | Lead and Copper Rule |
| Oct 1, 2022 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Oct 6, 2022 | Consumer Confidence Rule |
| Oct 1, 2022 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Oct 6, 2022 | Consumer Confidence Rule |
| Oct 1, 2022 | Oct 31, 2022 | Groundwater Rule | MR | No | Yes | — | — | — | Resolved | Oct 31, 2022 | Ground Water Rule |
| Oct 1, 2022 | Oct 31, 2022 | Groundwater Rule | MR | No | Yes | — | — | — | Resolved | Oct 31, 2022 | Ground Water Rule |
| Oct 1, 2022 | Oct 31, 2022 | Groundwater Rule | MR | No | Yes | — | — | — | Resolved | Oct 31, 2022 | Ground Water Rule |
| Jan 1, 2022 | Dec 31, 2024 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Dec 31, 2024 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2022 | Dec 31, 2024 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Dec 31, 2024 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2022 | Dec 31, 2024 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Dec 31, 2024 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2022 | Dec 31, 2024 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2024 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2022 | Dec 31, 2024 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2024 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2022 | Dec 31, 2024 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2024 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Aug 1, 2021 | Aug 31, 2021 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Aug 31, 2021 | Revised Total Coliform Rule |
| Aug 1, 2021 | Aug 31, 2021 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Aug 31, 2021 | Revised Total Coliform Rule |
| Aug 1, 2021 | Aug 31, 2021 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Aug 31, 2021 | Revised Total Coliform Rule |
| Jan 1, 2021 | Dec 31, 2021 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2021 | Nitrate Rule |
| Jan 1, 2021 | Dec 31, 2021 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2021 | Nitrate Rule |
| Jan 1, 2021 | Dec 31, 2021 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2021 | Nitrate Rule |
| Jul 1, 2019 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jul 17, 2019 | Consumer Confidence Rule |
| Jul 1, 2019 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jul 17, 2019 | Consumer Confidence Rule |
| Jun 1, 2018 | Jun 30, 2018 | Groundwater Rule | MR | No | Yes | — | — | — | Resolved | Jun 30, 2018 | Ground Water Rule |
| Jun 1, 2018 | Jun 30, 2018 | Groundwater Rule | MR | No | Yes | — | — | — | Resolved | Jun 30, 2018 | Ground Water Rule |
| Jun 1, 2018 | Jun 30, 2018 | Groundwater Rule | MR | No | Yes | — | — | — | Resolved | Jun 30, 2018 | Ground Water Rule |
| Jun 1, 2018 | Jun 30, 2018 | Groundwater Rule | MR | No | Yes | — | — | — | Resolved | Jun 30, 2018 | Ground Water Rule |
| Aug 1, 2016 | Aug 31, 2016 | Groundwater Rule | MR | No | Yes | — | — | — | Resolved | Aug 31, 2016 | Ground Water Rule |
| Aug 1, 2016 | Aug 31, 2016 | Groundwater Rule | MR | No | Yes | — | — | — | Resolved | Aug 31, 2016 | Ground Water Rule |
| Aug 1, 2016 | Aug 31, 2016 | Groundwater Rule | MR | No | Yes | — | — | — | Resolved | Aug 31, 2016 | Ground Water Rule |
| Aug 1, 2016 | Aug 31, 2016 | Groundwater Rule | MR | No | Yes | — | — | — | Resolved | Aug 31, 2016 | Ground Water Rule |
| Apr 1, 2012 | Apr 30, 2012 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 2, 2012 | Total Coliform Rule |
| Apr 1, 2012 | Apr 30, 2012 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 2, 2012 | Total Coliform Rule |
| Apr 1, 2012 | Apr 30, 2012 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 2, 2012 | Total Coliform Rule |
| Oct 1, 2011 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Nov 7, 2011 | Consumer Confidence Rule |
| Oct 1, 2011 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Nov 7, 2011 | Consumer Confidence Rule |
| Oct 1, 2011 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Nov 7, 2011 | Consumer Confidence Rule |
| Oct 1, 2011 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Nov 7, 2011 | Consumer Confidence Rule |
| Jan 1, 2011 | Dec 31, 2013 | Thallium, Total | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2013 | Inorganic Chemicals |
| Jan 1, 2011 | Dec 31, 2013 | Chromium | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2013 | Inorganic Chemicals |
| Jan 1, 2011 | Dec 31, 2013 | Chromium | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2013 | Inorganic Chemicals |
| Jan 1, 2011 | Dec 31, 2013 | Chromium | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2013 | Inorganic Chemicals |
| Jan 1, 2011 | Dec 31, 2013 | Thallium, Total | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2013 | Inorganic Chemicals |
| Jan 1, 2011 | Dec 31, 2013 | Thallium, Total | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2013 | Inorganic Chemicals |
| Jan 1, 2011 | Dec 31, 2013 | Selenium | MR | No | Yes | — | 0.05 mg/L | — | Resolved | Dec 31, 2013 | Inorganic Chemicals |
| Jan 1, 2011 | Dec 31, 2013 | Selenium | MR | No | Yes | — | 0.05 mg/L | — | Resolved | Dec 31, 2013 | Inorganic Chemicals |
| Jan 1, 2011 | Dec 31, 2013 | Selenium | MR | No | Yes | — | 0.05 mg/L | — | Resolved | Dec 31, 2013 | Inorganic Chemicals |
| Jan 1, 2011 | Dec 31, 2013 | Chromium | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2013 | Inorganic 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.