Environment
Willow River Elementary — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of Willow River Elementary in Hudson, Wisconsin.
Latest Air Quality Index
37
Good · monitor 22.4 km away
PM2.5 annual7.5 µg/m³
Water health violations 10yr1
TRI sites within 1 mi1
Air Quality
EPA AirNow + AQS · 2024
37
AQI latest — Good
37
AQI 7-day avg
0
Days unhealthy in last 90
7.5
PM2.5 annual µg/m³ (EPA NAAQS limit: 9.0)
41.2
Ozone annual ppb
Public Water System
HUDSON WATERWORKS · PWS WI6560087
1
Health-based violations (10yr)
0
Acute violations (10yr)
18,558
Population served
2E (health-based)
Most recent violation type
2024-10-17
Nearby Environmental Hazards
EPA Superfund (NPL), TRI release sites, brownfields (2024)
1
TRI sites within 1 mile
8
TRI sites within 5 miles
4.1 mi
Nearest Superfund (NPL)
BAYTOWN TOWNSHIP GROUND WATER PLUME
3.3 mi
Nearest brownfield
BARKER S ALPS PARK
Sources: school_air_quality + school_air_quality_daily (EPA AQS / AirNow), school_water_safety (EPA SDWIS), school_env_hazards (EPA NPL / TRI / Brownfields).