McLennan County, TX

ZIP 76711

In ZIP 76711, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: City Of Hewitt meets every EPA legal limit; 13 contaminants are above health goals, led by lead at 9.8× 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: Precise Hard Chrome LLC (30%), mostly chromium compounds.
• Fine particles (PM2.5) average 8.8 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 137,226 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 76711

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

Based on 3 census tracts · compiled September 10, 2026 · how each grade works and its sources

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