Polk County, AR

ZIP 71945

In ZIP 71945, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Freedom Public Water Authority meets every EPA legal limit; 6 contaminants are above health goals, led by lead at 12× California’s Public Health Goal.
• Nearest Superfund site: Mid-South Wood Products, 5.3 miles away.
• Largest share of modeled toxic air from industry: Sterling Machinery Co. (100%), mostly chromium.
• Fine particles (PM2.5) average 7.2 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 9,497 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 71945

• Superfund sites nearbyD
• Factories and industrial sitesB
• Oil and gas wellsA
• Parks and nature nearbyC
• Air qualityB
• Drinking water qualityC to D
• Pesticide useF
• Neighborhood health statusF
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA
• Radiation signalsC

Based on 1 census tract · compiled September 10, 2026 · how each grade works and its sources

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