Environment
MARK TWAIN ELEM. — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of MARK TWAIN ELEM. in WEBB CITY, Missouri.
Latest Air Quality Index
48
Good · monitor 36.8 km away
Water health violations 10yr0
TRI sites within 1 mi0
Air Quality
EPA AirNow + AQS · 2024
48
AQI latest — Good
48
AQI 7-day avg
3
Days unhealthy in last 90
51.6
Ozone annual ppb
Public Water System
WEBB CITY PWS · PWS MO5010844
0
Health-based violations (10yr)
0
Acute violations (10yr)
13,404
Population served
34
Most recent violation type
2025-08-01
Nearby Environmental Hazards
EPA Superfund (NPL), TRI release sites, brownfields (2024)
0
TRI sites within 1 mile
21
TRI sites within 5 miles
4.9 mi
Nearest Superfund (NPL)
ORONOGO DUENWEG MINING BELT
1.3 mi
Nearest brownfield
BROADWAY DAUGHTERY
Sources: school_air_quality + school_air_quality_daily (EPA AQS / AirNow), school_water_safety (EPA SDWIS), school_env_hazards (EPA NPL / TRI / Brownfields).