Environment
Trinity Valley Elementary — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of Trinity Valley Elementary in Willow Creek, California.
Latest Air Quality Index
37
Good · monitor 11.3 km away
PM2.5 annual6.7 µg/m³
Water health violations 10yr3
TRI sites within 1 mi0
Air Quality
EPA AirNow + AQS · 2024
37
AQI latest — Good
37
AQI 7-day avg
3
Days unhealthy in last 90
6.7
PM2.5 annual µg/m³ (EPA NAAQS limit: 9.0)
Public Water System
WILLOW CREEK C.S.D. · PWS CA1210015
3
Health-based violations (10yr)
0
Acute violations (10yr)
1,298
Population served
4H
Most recent violation type
2025-07-02
Nearby Environmental Hazards
EPA Superfund (NPL), TRI release sites, brownfields (2024)
0
TRI sites within 1 mile
0
TRI sites within 5 miles
11.3 mi
Nearest Superfund (NPL)
COPPER BLUFF MINE
0.8 mi
Nearest brownfield
APN 522 201 01
Sources: school_air_quality + school_air_quality_daily (EPA AQS / AirNow), school_water_safety (EPA SDWIS), school_env_hazards (EPA NPL / TRI / Brownfields).