Harris County, TX

ZIP 77013

In ZIP 77013, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Harris County Mud 8 meets every EPA legal limit; 8 contaminants are above health goals, led by pfos at 3.2× California’s Public Health Goal.
• Nearest Superfund site: US Oil Recovery, 4.8 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Equistar Chemicals Bayport Chemicals Plant (30%), mostly ethylene oxide.
• Fine particles (PM2.5) average 9.1 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 38,374 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 77013

• Superfund sites nearbyD to F
• Factories and industrial sitesF
• Oil and gas wellsF
• Parks and nature nearbyB to C
• Air qualityF
• Drinking water qualityC
• Pesticide useA
• Neighborhood health statusC to F
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA to D
• Radiation signalsA to B

Based on 5 census tracts · compiled October 25, 2026 · how each grade works and its sources

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