Environment
Umatilla High School — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of Umatilla High School in Umatilla, Oregon.
Latest Air Quality Index
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— · monitor
Water health violations 10yr0
TRI sites within 1 mi0
Air Quality
EPA AirNow + AQS · 2024
51.0
Ozone annual ppb
Public Water System
UMATILLA, CITY OF · PWS OR4100914
0
Health-based violations (10yr)
0
Acute violations (10yr)
8,256
Population served
34
Most recent violation type
2025-08-16
Nearby Environmental Hazards
EPA Superfund (NPL), TRI release sites, brownfields (2024)
0
TRI sites within 1 mile
3
TRI sites within 5 miles
7.8 mi
Nearest Superfund (NPL)
UMATILLA ARMY DEPOT LAGOONS
5.3 mi
Nearest brownfield
HERMISTON SHELL BULK PLANT CRAWFORD OIL BULK PLANT
Sources: school_air_quality + school_air_quality_daily (EPA AQS / AirNow), school_water_safety (EPA SDWIS), school_env_hazards (EPA NPL / TRI / Brownfields).