Environment
Mark Twain Elementary — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of Mark Twain Elementary in Corcoran, California.
Latest Air Quality Index
53
Moderate · monitor 1.6 km away
PM2.5 annual10.1 µg/m³
Water health violations 10yr0
TRI sites within 1 mi1
Air Quality
EPA AirNow + AQS · 2024
53
AQI latest — Moderate
53
AQI 7-day avg
3
Days unhealthy in last 90
10.1
PM2.5 annual µg/m³ (EPA NAAQS limit: 9.0)
51.4
Ozone annual ppb
16.3
NO₂ annual ppb
Public Water System
CORCORAN, CITY OF · PWS CA1610004
0
Health-based violations (10yr)
0
Acute violations (10yr)
22,808
Population served
—
Most recent violation type
Nearby Environmental Hazards
EPA Superfund (NPL), TRI release sites, brownfields (2024)
1
TRI sites within 1 mile
3
TRI sites within 5 miles
32.4 mi
Nearest Superfund (NPL)
SELMA PRESSURE TREATING COMPANY
0.6 mi
Nearest brownfield
CORCORAN HIGH SCHOOL EXPANSION
Sources: school_air_quality + school_air_quality_daily (EPA AQS / AirNow), school_water_safety (EPA SDWIS), school_env_hazards (EPA NPL / TRI / Brownfields).