Environment
Grainger Elementary — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of Grainger Elementary in Okanogan, Washington.
Latest Air Quality Index
46
Good · monitor 7.1 km away
PM2.5 annual8.3 µg/m³
Water health violations 10yr0
TRI sites within 1 mi0
Air Quality
EPA AirNow + AQS · 2024
46
AQI latest — Good
46
AQI 7-day avg
3
Days unhealthy in last 90
8.3
PM2.5 annual µg/m³ (EPA NAAQS limit: 9.0)
Public Water System
OKANOGAN WATER DEPARTMENT CITY OF · PWS WA5363200
0
Health-based violations (10yr)
0
Acute violations (10yr)
2,921
Population served
03
Most recent violation type
2023-01-01
Nearby Environmental Hazards
EPA Superfund (NPL), TRI release sites, brownfields (2024)
0
TRI sites within 1 mile
1
TRI sites within 5 miles
73.7 mi
Nearest Superfund (NPL)
UPPER COLUMBIA RIVER
4.3 mi
Nearest brownfield
OMAK COMMUNITY CENTER MULTIPURPOSE BLDG
Sources: school_air_quality + school_air_quality_daily (EPA AQS / AirNow), school_water_safety (EPA SDWIS), school_env_hazards (EPA NPL / TRI / Brownfields).