Guadalupe County, TX
ZIP 78155
In ZIP 78155, 7 of the 12 things we check have at least one part graded D or F.
- Drinking water: Lago Vista Water System meets every EPA legal limit; 8 contaminants are above health goals, led by lead at 36× 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: Structural Metals Inc (97%), mostly chromium compounds.
- Fine particles (PM2.5) average 7.7 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
- About 84,653 kg of agricultural pesticides are applied in the county each year.
Grades for ZIP 78155
- Superfund sites nearbyA
- Factories and industrial sitesA to D
- Oil and gas wellsC to F
- Parks and nature nearbyC to D
- Air qualityB to C
- Drinking water qualityD to F
- Pesticide useD to F
- Neighborhood health statusC to F
- Past wildfire impactsA
- Past flood impactsA to B
- Noise levelsA to D
- Radiation signalsB to C
Based on 18 census tracts · compiled September 10, 2026 · how each grade works and its sources
Loading the full report, with every source…