Galveston County, TX

ZIP 77650

In ZIP 77650, 3 of the 12 things we check have at least one part graded D or F.

• Drinking water: Bolivar Peninsula Sud meets every EPA legal limit; 8 contaminants are above health goals, led by lead at 26× 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: Equistar Chemicals Bayport Chemicals Plant (35%), mostly ethylene oxide.
• Fine particles (PM2.5) average 7.2 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 11,820 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 77650

• Superfund sites nearbyA
• Factories and industrial sitesB
• Oil and gas wellsD
• Parks and nature nearbyC
• Air qualityB
• Drinking water qualityD
• Pesticide useC
• Neighborhood health statusF
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA

Based on 1 census tract · compiled September 10, 2026 · how each grade works and its sources

Loading the full report, with every source…