Environment
Hoff Elementary School — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of Hoff Elementary School in KEENESBURG, Colorado.
Latest Air Quality Index
37
Good · monitor 29.0 km away
PM2.5 annual8.5 µg/m³
Water health violations 10yr8
TRI sites within 1 mi0
Air Quality
EPA AirNow + AQS · 2024
37
AQI latest — Good
37
AQI 7-day avg
0
Days unhealthy in last 90
8.5
PM2.5 annual µg/m³ (EPA NAAQS limit: 9.0)
40.2
Ozone annual ppb
26.8
NO₂ annual ppb
Public Water System
KEENESBURG TOWN OF · PWS CO0162438
8
Health-based violations (10yr)
0
Acute violations (10yr)
4,650
Population served
66
Most recent violation type
2021-01-01
Nearby Environmental Hazards
EPA Superfund (NPL), TRI release sites, brownfields (2024)
0
TRI sites within 1 mile
1
TRI sites within 5 miles
26.1 mi
Nearest Superfund (NPL)
ROCKY MOUNTAIN ARSENAL USARMY
18.4 mi
Nearest brownfield
575 BUSH STREET
Sources: school_air_quality + school_air_quality_daily (EPA AQS / AirNow), school_water_safety (EPA SDWIS), school_env_hazards (EPA NPL / TRI / Brownfields).