Environment
St. Marks School — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of St. Marks School in Colwich, Kansas.
Latest Air Quality Index
53
Moderate · monitor 21.9 km away
PM2.5 annual10.1 µg/m³
Water health violations 10yr0
TRI sites within 1 mi0
Air Quality
EPA AirNow + AQS · 2024
53
AQI latest — Moderate
53
AQI 7-day avg
3
Days unhealthy in last 90
10.1
PM2.5 annual µg/m³ (EPA NAAQS limit: 9.0)
52.3
Ozone annual ppb
12.8
NO₂ annual ppb
Public Water System
COLWICH, CITY OF · PWS KS2017344
0
Health-based violations (10yr)
0
Acute violations (10yr)
1,463
Population served
4H
Most recent violation type
2025-07-02
Nearby Environmental Hazards
EPA Superfund (NPL), TRI release sites, brownfields (2024)
0
TRI sites within 1 mile
4
TRI sites within 5 miles
12.6 mi
Nearest Superfund (NPL)
57TH AND NORTH BROADWAY STREETS SITE
7.7 mi
Nearest brownfield
BENTLEY WELL FIELD PWS 4
Sources: school_air_quality + school_air_quality_daily (EPA AQS / AirNow), school_water_safety (EPA SDWIS), school_env_hazards (EPA NPL / TRI / Brownfields).