Columbia County, AR

ZIP 71740

In ZIP 71740, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Lakeside Water Association meets every EPA legal limit; 8 contaminants are above health goals, led by lead at 65× 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: Albemarle Corp South Plant (92%), mostly 2,4-diaminotoluene (2,4-toluenediamine).
• Fine particles (PM2.5) average 7.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 6,462 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 71740

• Superfund sites nearbyA
• Factories and industrial sitesC
• Oil and gas wellsF
• Parks and nature nearbyC
• Air qualityB to C
• Drinking water qualityC to F
• Pesticide useD
• Neighborhood health statusD to F
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA
• Radiation signalsB to C

Based on 2 census tracts · compiled September 10, 2026 · how each grade works and its sources

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