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: Watson Lakes Wsc meets every EPA legal limit; 4 contaminants are above health goals, led by lead at 38× 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 7,023 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 77358

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

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

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