Water Quality: Miles City, MT
5 water systems • 10,388 people served
Multiple Health ViolationsWater Quality Summary
Miles City is served by 5 public water systems with a combined service population of 10,388 people, and has 201 EPA Safe Drinking Water Act violations on record. Critically, 23 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Miles City's violation count is 92% above the national average for Montana. Contaminants associated with violations include Fecal Coliform, Lead.
Contaminants Found
Indicates direct fecal contamination; associated with diarrhea, cramps, nausea, and potential severe illness.
Common source: Human and animal fecal waste
EPA limit: Zero tolerance (any positive triggers violations)
Causes neurological damage, developmental delays in children, and kidney damage in adults even at low exposure levels.
Common source: Old plumbing pipes, lead solder, brass fixtures
EPA limit: Action Level: 0.015 mg/L (15 ppb)
Water Systems Serving Miles City
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| MILES CITY CITY OF | MT0000291 | Surface Water | 9,565 | 18 |
| CUSTER CO WATER AND SEWER DIST | MT0003041 | Surface Water | 480 | 3 |
| PINE HILLS YOUTH CORRECT FACIL | MT0000292 | Surface Water | 193 | 14 |
| SHEPHERD WATER STATION | MT0004920 | Groundwater | 100 | 146 |
| PALISADES APARTMENTS | MT0000145 | Groundwater | 50 | 20 |
Concerned About Your Water?
A home water filter can remove common contaminants. NSF-certified filters are tested against EPA standards.
Consider a reverse osmosis system for comprehensive filtration or a carbon filter for basic improvement.
Other Cities in Montana
Data Sources
Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). Data includes all recorded violations for active community water systems.