Water Quality: San Diego, MT
1 water system • 200 people served
Some ConcernsWater Quality Summary
San Diego is served by 1 public water system with a combined service population of 200 people, and has 10 EPA Safe Drinking Water Act violations on record. Critically, 2 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. San Diego's violation count is 90% below the national average for Montana. Contaminants associated with violations include Disinfection Byproducts.
Contaminants Found
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
Water Systems Serving San Diego
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| HIDDEN VALLEY OWNER LLC | MT0000035 | Groundwater | 200 | 10 |
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.