Walker County, TX

ZIP 77358

In ZIP 77358, 4 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.
• Nearest Superfund site: United Creosoting Co., 8.7 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Huntsman Petrochemical LLC (53%), 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 77358

• Superfund sites nearbyA to C
• Factories and industrial sitesB to C
• Oil and gas wellsC to D
• Parks and nature nearbyA to C
• Air qualityB to C
• Drinking water qualityA to D
• Pesticide useB to D
• Neighborhood health statusC to D
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA

Based on 4 census tracts · compiled October 25, 2026 · how each grade works and its sources

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