Washington County, TX

ZIP 77833

In ZIP 77833, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: G & W Wsc has 2 contaminants at or over an EPA legal limit; 9 contaminants are above health goals, led by arsenic at 1,998× California’s Public Health Goal.
• Nearest Superfund site: Sheridan Disposal Services, 7.1 miles away.
• Largest share of modeled toxic air from industry: Grant Prideco (81%), mostly chromium.
• Fine particles (PM2.5) average 7.2 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 45,756 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 77833

• Superfund sites nearbyA to C
• Factories and industrial sitesA to F
• Oil and gas wellsC to F
• Parks and nature nearbyC to D
• Air qualityB
• Drinking water qualityA to F
• Pesticide useD to F
• Neighborhood health statusC to F
• Past wildfire impactsA
• Past flood impactsB to C
• Noise levelsA to C
• Radiation signalsA to B

Based on 11 census tracts · compiled October 25, 2026 · how each grade works and its sources

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