Matagorda County, TX

ZIP 77465

In ZIP 77465, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Sunilandings Utilities meets every EPA legal limit; 8 contaminants are above health goals, led by dibromochloromethane at 112× California’s Public Health Goal.
• Nearest Superfund site: Alcoa (point Comfort)/lavaca Bay, 2.4 miles away.
• Largest share of modeled toxic air from industry: Formosa Plastics Corp Texas (99%), mostly ethylene oxide.
• Fine particles (PM2.5) average 6.9 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 196,654 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 77465

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

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

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