Environment
Chocksett Middle School — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of Chocksett Middle School in Sterling, Massachusetts.
Latest Air Quality Index
30
Good · monitor 16.7 km away
PM2.5 annual5.4 µg/m³
Water health violations 10yr2
TRI sites within 1 mi0
Air Quality
EPA AirNow + AQS · 2024
30
AQI latest — Good
30
AQI 7-day avg
0
Days unhealthy in last 90
5.4
PM2.5 annual µg/m³ (EPA NAAQS limit: 9.0)
43.6
Ozone annual ppb
18.0
NO₂ annual ppb
Public Water System
STERLING WATER DEPARTMENT · PWS MA2282000
2
Health-based violations (10yr)
0
Acute violations (10yr)
6,754
Population served
52
Most recent violation type
2026-01-01
Nearby Environmental Hazards
EPA Superfund (NPL), TRI release sites, brownfields (2024)
0
TRI sites within 1 mile
13
TRI sites within 5 miles
11.7 mi
Nearest Superfund (NPL)
HOCOMONCO POND
3.6 mi
Nearest brownfield
FULLER MILL
Sources: school_air_quality + school_air_quality_daily (EPA AQS / AirNow), school_water_safety (EPA SDWIS), school_env_hazards (EPA NPL / TRI / Brownfields).