Nance County, NE

ZIP 68640

In ZIP 68640, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Humphrey, City Of has 1 contaminant at or over an EPA legal limit; 5 contaminants are above health goals, led by carbon tetrachloride at 389× California’s Public Health Goal.
• Nearest Superfund site: Lindsay Manufacturing Co., 3.7 miles away.
• Largest share of modeled toxic air from industry: Becton Dickinson & Co (80%), mostly ethylene oxide.
• Fine particles (PM2.5) average 6.0 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 367,610 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 68640

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

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

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