Miles City Water Quality
Montana
According to EPA SDWIS, Miles City, Montana is served by 5 community water systems covering about 10,388 people. The same extract lists 23 health-based violation records, most recently coded 1025 in 2024. Counts are historical EPA registry rows, not a current compliance or drinkability score.
Drinking water in Miles City, Montana is delivered through 5 EPA-regulated community water systems serving an estimated 10,388 people. Each system is tracked in the EPA Safe Drinking Water Information System (SDWIS) under the Safe Drinking Water Act, which requires testing for regulated contaminants, consumer notification of violations, and publication of an annual Consumer Confidence Report.
PlainEnviro's health-based SDWIS extract shows 23 violation records across the 5 active community systems shown here. Monitoring and reporting records are not present in the extract. The records carry 2 distinct EPA contaminant codes: Fluoride, Surface Water Treatment Rule. 2 TRI-reporting industrial facilities are also located within the city limits.
A past EPA health-based registry row does not describe water delivered today or current compliance status; utilities notify customers and remediate under state primacy oversight when required. For current water-quality status and treatment practices, review your local utility's most recent Consumer Confidence Report or contact the Montana drinking water program. All records above reflect federal EPA SDWIS data and are not independently verified against state databases.
Community Water Systems
| System Name | Pop. Served | Violations | Status |
|---|---|---|---|
| MILES CITY CITY OF | 9,565 | 10 | Health |
| CUSTER CO WATER AND SEWER DIST | 480 | 0 | Clean |
| PINE HILLS YOUTH CORRECT FACIL | 193 | 0 | Clean |
| SHEPHERD WATER STATION | 100 | 0 | Clean |
| PALISADES APARTMENTS | 50 | 13 | Health |
Does this city have health-based water violations?
These health-based records can represent Maximum Contaminant Level (MCL), Treatment Technique (TT), or Maximum Residual Disinfectant Level (MRDL) categories. A historical record does not establish that water is currently unsafe.
| Water system | Contaminant | Begin Date |
|---|---|---|
| PALISADES APARTMENTS | Fluoride | 2024-04-01 |
| PALISADES APARTMENTS | Fluoride | 2024-04-01 |
| PALISADES APARTMENTS | Fluoride | 2024-04-01 |
| PALISADES APARTMENTS | Fluoride | 2024-01-01 |
| PALISADES APARTMENTS | Fluoride | 2024-01-01 |
| PALISADES APARTMENTS | Fluoride | 2024-01-01 |
| MILES CITY CITY OF | Surface Water Treatment Rule | 2023-08-01 |
| MILES CITY CITY OF | Surface Water Treatment Rule | 2023-08-01 |
| MILES CITY CITY OF | Surface Water Treatment Rule | 2023-08-01 |
| MILES CITY CITY OF | Surface Water Treatment Rule | 2023-08-01 |
| PALISADES APARTMENTS | Fluoride | 2022-10-01 |
| PALISADES APARTMENTS | Fluoride | 2022-10-01 |
| MILES CITY CITY OF | Surface Water Treatment Rule | 2022-09-01 |
| MILES CITY CITY OF | Surface Water Treatment Rule | 2022-09-01 |
| MILES CITY CITY OF | Surface Water Treatment Rule | 2022-09-01 |
| MILES CITY CITY OF | Surface Water Treatment Rule | 2022-08-01 |
| MILES CITY CITY OF | Surface Water Treatment Rule | 2022-08-01 |
| MILES CITY CITY OF | Surface Water Treatment Rule | 2022-08-01 |
| PALISADES APARTMENTS | Fluoride | 2022-07-01 |
| PALISADES APARTMENTS | Fluoride | 2022-07-01 |
| PALISADES APARTMENTS | Fluoride | 2022-04-01 |
| PALISADES APARTMENTS | Fluoride | 2022-04-01 |
| PALISADES APARTMENTS | Fluoride | 2022-01-01 |
What are Miles City's health-based records for?
Miles City's health-based violation records carry 2 distinct EPA codes: some name a substance, others the drinking-water rule that was breached. Counts are records on file in the EPA SDWIS extract, not current test results.
| Contaminant | Records | Systems |
|---|---|---|
| Fluoride | 13 | 1 |
| Surface Water Treatment Rule | 10 | 1 |
TRI Facilities in Miles City
| Facility | Total Releases |
|---|---|
| Pfp Industries LLC - Miles City Mt Facility | 250 lbs |
| Western Powders Inc / Hodgdon Powder Co. | 0 lbs |
Frequently Asked Questions
What does EPA SDWIS list for drinking water in Miles City, Montana? ▼
How many water violations does Miles City have in this EPA extract? ▼
What contaminants were found in Miles City water? ▼
How many water systems serve Miles City? ▼
Where does Miles City get its drinking water? ▼
Are there pollution sources near Miles City? ▼
How does Miles City compare in Montana?
Of the 217 Montana places with at least one community water system on file, Miles City ranks #34 by number of systems (5).
Either side of it: Lincoln (5), Lolo (5), Anaconda (4), Columbus (4)
About This Data
Figures here are the current EPA SDWIS extract joined to the 5 community water systems whose service area lists Miles City, ranked against the 217 Montana places with at least one system on file. Data current as of 2026-08-25.
Water system data comes from the EPA's Safe Drinking Water Information System (SDWIS). PlainEnviro's violation fetch is restricted upstream to records EPA flags as health-based and then joined to active community water systems. Monitoring and reporting violations are not included.
A health-based violation row in this extract is a historical EPA registry entry. It does not describe water delivered today or current compliance status. Many records are later resolved, and public water systems notify customers when required. For current conditions, contact your local water utility or the state drinking water program.
TRI facility data comes from the EPA Toxic Release Inventory. Facilities shown are those that self-report to the TRI program. PlainEnviro presents this data without advocacy framing.
Read our methodology - how this data is sourced, computed, and verified.