Environment
Elkhorn Elementary — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of Elkhorn Elementary in Castroville, California.
Latest Air Quality Index
33
Good · monitor 14.2 km away
PM2.5 annual6.2 µg/m³
Water health violations 10yr0
TRI sites within 1 mi0
Air Quality
EPA AirNow + AQS · 2024
33
AQI latest — Good
33
AQI 7-day avg
3
Days unhealthy in last 90
6.2
PM2.5 annual µg/m³ (EPA NAAQS limit: 9.0)
37.9
Ozone annual ppb
8.3
NO₂ annual ppb
Public Water System
CASTROVILLE COMMUNITY SERVICES DISTRICT · PWS CA2710005
0
Health-based violations (10yr)
0
Acute violations (10yr)
7,515
Population served
27
Most recent violation type
2024-01-01
Nearby Environmental Hazards
EPA Superfund (NPL), TRI release sites, brownfields (2024)
0
TRI sites within 1 mile
2
TRI sites within 5 miles
5.6 mi
Nearest Superfund (NPL)
CRAZY HORSE SANITARY LANDFILL
8.7 mi
Nearest brownfield
CORTES TRUCK CENTER
Sources: school_air_quality + school_air_quality_daily (EPA AQS / AirNow), school_water_safety (EPA SDWIS), school_env_hazards (EPA NPL / TRI / Brownfields).