Clark County, AR

ZIP 71999

In ZIP 71999, 2 of the 12 things we check have at least one part graded D or F.

• Drinking water: River Valley Water Assn meets every EPA legal limit; 6 contaminants are above health goals, led by bromodichloromethane at 96× 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: Arauco N.A. Inc. (46%), mostly formaldehyde.
• Fine particles (PM2.5) average 6.9 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 36,554 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 71999

• Superfund sites nearbyA
• Factories and industrial sitesA
• Oil and gas wellsA
• Parks and nature nearbyB to C
• Air qualityB
• Drinking water qualityC
• Pesticide useD to F
• Neighborhood health statusB to D
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA
• Radiation signalsB

Based on 2 census tracts · compiled October 25, 2026 · how each grade works and its sources

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