Caldwell County, TX

ZIP 78644

In ZIP 78644, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Creedmoor Maha Wsc meets every EPA legal limit; 11 contaminants are above health goals, led by lead at 9.2× 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: Pure Castings Co (98%), mostly chromium.
• Fine particles (PM2.5) average 7.7 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 44,774 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 78644

• Superfund sites nearbyA
• Factories and industrial sitesA to C
• Oil and gas wellsD to F
• Parks and nature nearbyC to D
• Air qualityB to C
• Drinking water qualityD
• Pesticide useF
• Neighborhood health statusC to D
• Past wildfire impactsA
• Past flood impactsA to B
• Noise levelsA
• Radiation signalsB to C

Based on 8 census tracts · compiled September 10, 2026 · how each grade works and its sources

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