Walker County, TX

ZIP 77367

In ZIP 77367, 3 of the 12 things we check have at least one part graded D or F.

• Drinking water: City Of Huntsville has 1 contaminant at or over an EPA legal limit; 12 contaminants are above health goals, led by pfos at 5.2× 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: Huntsman Petrochemical LLC (49%), 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 29,369 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 77367

• Superfund sites nearbyA
• Factories and industrial sitesB
• Oil and gas wellsC
• Parks and nature nearbyB
• Air qualityC
• Drinking water qualityC to D
• Pesticide useD
• Neighborhood health statusF
• Past wildfire impactsA
• Past flood impactsB
• Noise levelsA

Based on 1 census tract · compiled October 25, 2026 · how each grade works and its sources

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