Environment
Arrowhead High — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of Arrowhead High in Hartland, Wisconsin.
Latest Air Quality Index
35
Good · monitor 15.3 km away
PM2.5 annual6.3 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
0
Days unhealthy in last 90
6.3
PM2.5 annual µg/m³ (EPA NAAQS limit: 9.0)
50.5
Ozone annual ppb
Public Water System
HARTLAND WATERWORKS · PWS WI2680205
0
Health-based violations (10yr)
0
Acute violations (10yr)
9,212
Population served
66
Most recent violation type
2021-02-01
Nearby Environmental Hazards
EPA Superfund (NPL), TRI release sites, brownfields (2024)
0
TRI sites within 1 mile
5
TRI sites within 5 miles
9.5 mi
Nearest Superfund (NPL)
MASTER DISPOSAL SERVICE LANDFILL
1.2 mi
Nearest brownfield
HARTLAND CHEMICAL COMPANY
Sources: school_air_quality + school_air_quality_daily (EPA AQS / AirNow), school_water_safety (EPA SDWIS), school_env_hazards (EPA NPL / TRI / Brownfields).