Glacier County, MT

ZIP 59427

In ZIP 59427, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Hidden Lake Colony has 2 contaminants at or over an EPA legal limit; 4 contaminants are above health goals, led by arsenic at 27,528× California’s Public Health Goal.
• Closer to Superfund sites than 0% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Ben Taylor Inc Bulk Facility (100%), mostly polycyclic aromatic compounds.
• Fine particles (PM2.5) average 6.0 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 207,525 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 59427

• Superfund sites nearbyA
• Factories and industrial sitesA
• Oil and gas wellsA to F
• Parks and nature nearbyC to D
• Air qualityA
• Drinking water qualityA to F
• Pesticide useF
• Neighborhood health statusD to F
• Past wildfire impactsA to F
• Past flood impactsA
• Noise levelsA
• Radiation signalsD to F

Based on 3 census tracts · compiled September 10, 2026 · how each grade works and its sources

Loading the full report, with every source…