Environment
Tri-Valley Elem School — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of Tri-Valley Elem School in Downs, Illinois.
Latest Air Quality Index
35
Good · monitor 17.5 km away
PM2.5 annual6.6 µg/m³
Water health violations 10yr0
TRI sites within 1 mi0
Air Quality
EPA AirNow + AQS · 2024
35
AQI latest — Good
35
AQI 7-day avg
3
Days unhealthy in last 90
6.6
PM2.5 annual µg/m³ (EPA NAAQS limit: 9.0)
51.0
Ozone annual ppb
Public Water System
DOWNS · PWS IL1130500
0
Health-based violations (10yr)
0
Acute violations (10yr)
1,201
Population served
75
Most recent violation type
2025-11-10
Nearby Environmental Hazards
EPA Superfund (NPL), TRI release sites, brownfields (2024)
0
TRI sites within 1 mile
0
TRI sites within 5 miles
63.3 mi
Nearest Superfund (NPL)
CENTRAL ILLINOIS PUBLIC SERVICE CO
29.9 mi
Nearest brownfield
PEPSIN HILL BROWNFIELD PROJECT
Sources: school_air_quality + school_air_quality_daily (EPA AQS / AirNow), school_water_safety (EPA SDWIS), school_env_hazards (EPA NPL / TRI / Brownfields).