Collin County, TX

ZIP 75009

In ZIP 75009, 3 of the 12 things we check have at least one part graded D or F.

• Drinking water: South Grayson Sud meets every EPA legal limit; 9 contaminants are above health goals, led by di(2-ethylhexyl) phthalate at 11× California’s Public Health Goal.
• Closer to Superfund sites than 0% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Tower Extrusions LLC (33%), mostly diisocyanates.
• Fine particles (PM2.5) average 7.6 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 51,753 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 75009

• Superfund sites nearbyA
• Factories and industrial sitesA to B
• Oil and gas wellsA to D
• Parks and nature nearbyC
• Air qualityC
• Drinking water qualityA to C
• Pesticide useD
• Neighborhood health statusA to B
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA
• Radiation signalsB to D

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

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