Environment
Yoncalla Elementary School — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of Yoncalla Elementary School in Yoncalla, Oregon.
Latest Air Quality Index
34
Good · monitor 28.9 km away
PM2.5 annual6.1 µg/m³
Water health violations 10yr2
TRI sites within 1 mi0
Air Quality
EPA AirNow + AQS · 2024
34
AQI latest — Good
34
AQI 7-day avg
3
Days unhealthy in last 90
6.1
PM2.5 annual µg/m³ (EPA NAAQS limit: 9.0)
Public Water System
YONCALLA, CITY OF · PWS OR4100958
2
Health-based violations (10yr)
0
Acute violations (10yr)
1,050
Population served
72
Most recent violation type
2025-10-01
Nearby Environmental Hazards
EPA Superfund (NPL), TRI release sites, brownfields (2024)
0
TRI sites within 1 mile
1
TRI sites within 5 miles
11.1 mi
Nearest Superfund (NPL)
BLACK BUTTE MINE
0.2 mi
Nearest brownfield
YONCALLA
Sources: school_air_quality + school_air_quality_daily (EPA AQS / AirNow), school_water_safety (EPA SDWIS), school_env_hazards (EPA NPL / TRI / Brownfields).