Dallas County, TX

ZIP 75233

In ZIP 75233, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: City Of Duncanville meets every EPA legal limit; 8 contaminants are above health goals, led by pfos at 2.6× 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 sitesF
• Oil and gas wellsC
• Parks and nature nearbyB to C
• Air qualityD to F
• Drinking water qualityC to D
• Pesticide useA
• Neighborhood health statusC to F
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA to B
• Radiation signalsC

Based on 5 census tracts · compiled October 25, 2026 · how each grade works and its sources

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