Environment
Keystone Elementary School — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of Keystone Elementary School in Keystone, Iowa.
Latest Air Quality Index
40
Good · monitor 42.4 km away
Water health violations 10yr14
TRI sites within 1 mi0
Air Quality
EPA AirNow + AQS · 2024
40
AQI latest — Good
40
AQI 7-day avg
1
Days unhealthy in last 90
Public Water System
KEYSTONE WATER SUPPLY · PWS IA0640030
14
Health-based violations (10yr)
12
Acute violations (10yr)
599
Population served
41 (health-based)
Most recent violation type
2021-05-01
Nearby Environmental Hazards
EPA Superfund (NPL), TRI release sites, brownfields (2024)
0
TRI sites within 1 mile
0
TRI sites within 5 miles
34.4 mi
Nearest Superfund (NPL)
WATERLOO COAL GASIFICATION PLANT
23.4 mi
Nearest brownfield
MESKWAKI SETTLEMENT
Sources: school_air_quality + school_air_quality_daily (EPA AQS / AirNow), school_water_safety (EPA SDWIS), school_env_hazards (EPA NPL / TRI / Brownfields).