Kleberg County, TX

ZIP 78418

In ZIP 78418, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: Corpus Christi Naval Air Station meets every EPA legal limit; 8 contaminants are above health goals, led by lead at 46× California’s Public Health Goal.
• Nearest Superfund site: Falcon Refinery, 5.0 miles away.
• Largest share of modeled toxic air from industry: Gulf Coast Growth Ventures LLC (52%), mostly ethylene oxide.
• Fine particles (PM2.5) average 8.4 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 364,342 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 78418

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

Based on 13 census tracts · compiled September 10, 2026 · how each grade works and its sources

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