Water Quality: Denton, MT
1 water system • 255 people served
Multiple Health ViolationsWater Quality Summary
Denton is served by 1 public water system with a combined service population of 255 people, and has 166 EPA Safe Drinking Water Act violations on record. Critically, 155 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Denton's violation count is 59% above the national average for Montana. Contaminants associated with violations include Bromate, Chlorine Dioxide, Fecal Coliform, Nitrate-Nitrite.
Contaminants Found
Probable human carcinogen that increases the risk of kidney and thyroid cancers.
Common source: Ozonation of bromide-containing water; used as flour improver
EPA limit: 0.010 mg/L (10 ppb)
Can cause anemia in infants and young children; may cause nervous system effects at high levels.
Common source: Water treatment disinfectant used to control taste, odor, and microorganisms
EPA limit: 0.8 mg/L
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 methemoglobinemia in infants and may pose cancer risks with long-term exposure.
Common source: Fertilizer runoff, septic systems, animal feedlots, natural deposits
EPA limit: 10 mg/L (as nitrogen)
Water Systems Serving Denton
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| DENTON TOWN OF | MT0000199 | Surface Water | 255 | 166 |
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.