Environment
Sangamon Valley Intermediate Sch — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of Sangamon Valley Intermediate Sch in Illiopolis, Illinois.
Latest Air Quality Index
42
Good · monitor 27.3 km away
PM2.5 annual7.6 µg/m³
Water health violations 10yr32
TRI sites within 1 mi1
Air Quality
EPA AirNow + AQS · 2024
42
AQI latest — Good
42
AQI 7-day avg
1
Days unhealthy in last 90
7.6
PM2.5 annual µg/m³ (EPA NAAQS limit: 9.0)
46.7
Ozone annual ppb
Public Water System
ILLIOPOLIS · PWS IL1670550
32
Health-based violations (10yr)
0
Acute violations (10yr)
1,037
Population served
27
Most recent violation type
2025-04-01
Nearby Environmental Hazards
EPA Superfund (NPL), TRI release sites, brownfields (2024)
1
TRI sites within 1 mile
2
TRI sites within 5 miles
21.6 mi
Nearest Superfund (NPL)
CENTRAL ILLINOIS PUBLIC SERVICE CO
14.2 mi
Nearest brownfield
NAZ THRIFT STORE
Sources: school_air_quality + school_air_quality_daily (EPA AQS / AirNow), school_water_safety (EPA SDWIS), school_env_hazards (EPA NPL / TRI / Brownfields).