Liberty County, TX

ZIP 77327

In ZIP 77327, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Oak Creek Ii meets every EPA legal limit; 3 contaminants are above health goals, led by lead at 34× 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: Lyondell Chemical Co (73%), mostly ethylene oxide.
• Fine particles (PM2.5) average 7.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 70,700 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 77327

• Superfund sites nearbyA
• Factories and industrial sitesA to B
• Oil and gas wellsC to D
• Parks and nature nearbyC to D
• Air qualityB to C
• Drinking water qualityC to F
• Pesticide useB to F
• Neighborhood health statusD to F
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA to C
• Radiation signalsB to C

Based on 9 census tracts · compiled September 10, 2026 · how each grade works and its sources

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