Water Quality: East Helena, MT
18 water systems • 6,797 people served
Multiple Health ViolationsWater Quality Summary
East Helena is served by 18 public water systems with a combined service population of 6,797 people, and has 493 EPA Safe Drinking Water Act violations on record. Critically, 12 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. East Helena's violation count is 371% above the national average for Montana. Contaminants associated with violations include Barium, Disinfection Byproducts, E. coli.
Contaminants Found
Increases blood pressure and causes cardiovascular effects with long-term exposure.
Common source: Natural rock deposits, oil drilling operations, coal power plant waste
EPA limit: 2 mg/L
Broad category of chemicals formed during disinfection, associated with increased cancer risk and adverse reproductive effects.
Common source: Reaction of disinfectants (chlorine, ozone, chloramines) with organic matter
Causes gastrointestinal illness; certain strains (e.g., O157:H7) can cause severe kidney failure and death.
Common source: Fecal contamination from humans or animals entering the water supply
EPA limit: Zero (no E. coli permitted in drinking water)
Water Systems Serving East Helena
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| EAST HELENA CITY OF | MT0000196 | Groundwater | 2,114 | 10 |
| EASTGATE VILLAGE SEWER AND WATER | MT0001784 | Groundwater | 2,000 | 3 |
| LA CASA GRANDE WATER AND SEWER DISTRICT | MT0001924 | Groundwater | 404 | 8 |
| SKYVIEW WATER AND SEWER UTILITY | MT0004039 | Groundwater | 400 | 14 |
| GOLDEN ESTATES HOMEOWNERS ASSOCIATION | MT0004187 | Groundwater | 400 | 15 |
| GRASS LAND ESTATES | MT0004448 | Groundwater | 228 | 5 |
| BRIDGE CREEK ESTATES SUBDIVISION | MT0004555 | Groundwater | 205 | 3 |
| PELE PARK | MT0000593 | Groundwater | 186 | 6 |
| DAVIS MEADOW VILLAGE | MT0003990 | Groundwater | 180 | 11 |
| PEBBLE GARDENS MOBILE HOME CT | MT0000603 | Groundwater | 125 | 2 |
| HOMESTEAD VALLEY WUA HVHA | MT0003251 | Groundwater | 105 | 22 |
| BUZZ INN | MT0000592 | Groundwater | 95 | 11 |
| MASONIC HOME OF MONTANA | MT0000245 | Groundwater | 90 | 7 |
| RUGER WATER DISTRICT | MT0004143 | Groundwater | 79 | 1 |
| MCDONALD TRAILER CT | MT0000402 | Groundwater | 75 | 193 |
| BROADWATER ESTATES HOA | MT0004697 | Groundwater | 40 | 22 |
| PHOENIX PARK | MT0000594 | Groundwater | 36 | 155 |
| BAHNY BRAE SUBDIVISION | MT0003196 | Groundwater | 35 | 5 |
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.