Dallas County, TX

ZIP 75233

In ZIP 75233, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: City Of Duncanville has 1 contaminant at or over an EPA legal limit; 10 contaminants are above health goals, led by lead at 46× California’s Public Health Goal.
• Nearest Superfund site: Bio-Ecology Systems, Inc., 4.9 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Sterigenics US Llc-Grand Prairie Texas Facility (26%), mostly ethylene oxide.
• Fine particles (PM2.5) average 9.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 19,079 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 75233

• Superfund sites nearbyD to F
• Factories and industrial sitesD
• Oil and gas wellsC
• Parks and nature nearbyD
• Air qualityD to F
• Drinking water qualityF
• Pesticide useB
• Neighborhood health statusC to D
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA to B
• Radiation signalsC to D

Based on 5 census tracts · compiled September 10, 2026 · how each grade works and its sources

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