Environment
Triad Middle School — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of Triad Middle School in Saint Jacob, Illinois.
Latest Air Quality Index
50
Good · monitor 27.7 km away
PM2.5 annual8.9 µg/m³
Water health violations 10yr8
TRI sites within 1 mi0
Air Quality
EPA AirNow + AQS · 2024
50
AQI latest — Good
50
AQI 7-day avg
3
Days unhealthy in last 90
8.9
PM2.5 annual µg/m³ (EPA NAAQS limit: 9.0)
50.3
Ozone annual ppb
24.4
NO₂ annual ppb
Public Water System
ST JACOB · PWS IL1190950
8
Health-based violations (10yr)
0
Acute violations (10yr)
1,835
Population served
52
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
15.8 mi
Nearest Superfund (NPL)
OLD AMERICAN ZINC PLANT
5.0 mi
Nearest brownfield
ROSS PROPERTY
Sources: school_air_quality + school_air_quality_daily (EPA AQS / AirNow), school_water_safety (EPA SDWIS), school_env_hazards (EPA NPL / TRI / Brownfields).