Environment
John Lyman School — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of John Lyman School in Middlefield, Connecticut.
Latest Air Quality Index
34
Good · monitor 26.7 km away
PM2.5 annual6.1 µg/m³
Water health violations 10yr0
TRI sites within 1 mi0
Air Quality
EPA AirNow + AQS · 2024
34
AQI latest — Good
34
AQI 7-day avg
1
Days unhealthy in last 90
6.1
PM2.5 annual µg/m³ (EPA NAAQS limit: 9.0)
49.1
Ozone annual ppb
24.8
NO₂ annual ppb
Public Water System
MIDDLETOWN WATER DEPARTMENT · PWS CT0830011
0
Health-based violations (10yr)
0
Acute violations (10yr)
41,019
Population served
72
Most recent violation type
2025-08-10
Nearby Environmental Hazards
EPA Superfund (NPL), TRI release sites, brownfields (2024)
0
TRI sites within 1 mile
26
TRI sites within 5 miles
3.4 mi
Nearest Superfund (NPL)
DURHAM MEADOWS
2.9 mi
Nearest brownfield
FORMER FOREST CITY CLEANER
Sources: school_air_quality + school_air_quality_daily (EPA AQS / AirNow), school_water_safety (EPA SDWIS), school_env_hazards (EPA NPL / TRI / Brownfields).