Environment
Washington Elem School — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of Washington Elem School in Riverdale, Illinois.
Latest Air Quality Index
42
Good · monitor 9.0 km away
PM2.5 annual7.6 µg/m³
Water health violations 10yr0
TRI sites within 1 mi11
Air Quality
EPA AirNow + AQS · 2024
42
AQI latest — Good
42
AQI 7-day avg
0
Days unhealthy in last 90
7.6
PM2.5 annual µg/m³ (EPA NAAQS limit: 9.0)
50.8
Ozone annual ppb
29.0
NO₂ annual ppb
Public Water System
RIVERDALE · PWS IL0312580
0
Health-based violations (10yr)
0
Acute violations (10yr)
10,266
Population served
72
Most recent violation type
2025-07-01
Nearby Environmental Hazards
EPA Superfund (NPL), TRI release sites, brownfields (2024)
11
TRI sites within 1 mile
110
TRI sites within 5 miles
4.1 mi
Nearest Superfund (NPL)
LAKE CALUMET CLUSTER
0.2 mi
Nearest brownfield
403 WEST 138TH STREET
Sources: school_air_quality + school_air_quality_daily (EPA AQS / AirNow), school_water_safety (EPA SDWIS), school_env_hazards (EPA NPL / TRI / Brownfields).