Merrick County, NE

ZIP 68628

In ZIP 68628, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Henderson, City Of meets every EPA legal limit; 3 contaminants are above health goals, led by arsenic at 1,610× California’s Public Health Goal.
• Closer to Superfund sites than 55% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Becton Dickinson & Co (73%), mostly ethylene oxide.
• Fine particles (PM2.5) average 6.1 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 235,941 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 68628

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

Based on 4 census tracts · compiled September 10, 2026 · how each grade works and its sources

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