Collin County, TX

ZIP 75424

In ZIP 75424, 3 of the 12 things we check have at least one part graded D or F.

• Drinking water: City Of Princeton meets every EPA legal limit; 9 contaminants are above health goals, led by lead at 245× 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 (39%), mostly diisocyanates.
• Fine particles (PM2.5) average 7.7 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 76,186 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 75424

• Superfund sites nearbyA
• Factories and industrial sitesA to C
• Oil and gas wellsA to C
• Parks and nature nearbyB to C
• Air qualityB to C
• Drinking water qualityB to F
• Pesticide useD to F
• Neighborhood health statusB to F
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA
• Radiation signalsB to C

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

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