Los Angeles County, CA
ZIP 93550
In ZIP 93550, 9 of the 12 things we check have at least one part graded D or F.
- Drinking water: Santa Clarita Valley W.a.-Pinetree Div. has 2 contaminants at or over an EPA legal limit; 12 contaminants are above health goals, led by pfhxs at 1.5× California Notification Level.
- Nearest Superfund site: Jet Propulsion Laboratory (nasa), 9.3 miles away.
- Largest share of modeled toxic air from industry: Lockheed Martin Aeronautics Co (99%), mostly chromium.
- Fine particles (PM2.5) average 8.8 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
- About 250,208 kg of agricultural pesticides are applied in the county each year.
Grades for ZIP 93550
- Superfund sites nearbyA to D
- Factories and industrial sitesA to F
- Oil and gas wellsA to C
- Parks and nature nearbyA to D
- Air qualityA to F
- Drinking water qualityA to F
- Pesticide useB to C
- Neighborhood health statusB to D
- Past wildfire impactsA to F
- Past flood impactsA
- Noise levelsA to D
- Radiation signalsB to D
Based on 23 census tracts · compiled October 25, 2026 · how each grade works and its sources
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