Environment
RYAN ES — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of RYAN ES in Ryan, Oklahoma.
Latest Air Quality Index
—
— · monitor
Water health violations 10yr574
TRI sites within 1 mi0
Air Quality
EPA AirNow + AQS · 2024
50.1
Ozone annual ppb
Public Water System
RYAN UTILITIES AUTHORITY · PWS OK3003405
574
Health-based violations (10yr)
0
Acute violations (10yr)
800
Population served
02 (health-based)
Most recent violation type
2025-10-01
Nearby Environmental Hazards
EPA Superfund (NPL), TRI release sites, brownfields (2024)
0
TRI sites within 1 mile
0
TRI sites within 5 miles
61.9 mi
Nearest Superfund (NPL)
OKLAHOMA REFINING CO
23.3 mi
Nearest brownfield
COMANCHE NURSING CENTER
Sources: school_air_quality + school_air_quality_daily (EPA AQS / AirNow), school_water_safety (EPA SDWIS), school_env_hazards (EPA NPL / TRI / Brownfields).