Union County, AR

ZIP 71730

In ZIP 71730, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: Felsenthal Water And Sewer meets every EPA legal limit; 8 contaminants are above health goals, led by bromodichloromethane at 71× California’s Public Health Goal.
• Nearest Superfund site: Popile, Inc., 1.1 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Lanxess - Central (89%), mostly hydrazine.
• Fine particles (PM2.5) average 7.0 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 4,700 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 71730

• Superfund sites nearbyA to F
• Factories and industrial sitesB to F
• Oil and gas wellsD to F
• Parks and nature nearbyB to D
• Air qualityB
• Drinking water qualityA to D
• Pesticide useB to D
• Neighborhood health statusD to F
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA to D
• Radiation signalsA to B

Based on 12 census tracts · compiled October 25, 2026 · how each grade works and its sources

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