Matagorda County, TX

ZIP 77415

In ZIP 77415, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Matagorda County Wcid 2 has 1 contaminant at or over an EPA legal limit; 9 contaminants are above health goals, led by arsenic at 3,659× 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: Phillips 66 Co Sweeny Refinery Complex (50%), mostly benzene.
• Fine particles (PM2.5) average 7.0 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 77415

• Superfund sites nearbyA
• Factories and industrial sitesB to C
• Oil and gas wellsD
• Parks and nature nearbyC to D
• Air qualityB
• Drinking water qualityC to F
• Pesticide useF
• Neighborhood health statusD to F
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA
• Radiation signalsC

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

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