Environment
Cobb Mountain Elementary — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of Cobb Mountain Elementary in Cobb, California.
Latest Air Quality Index
18
Good · monitor 26.8 km away
PM2.5 annual3.2 µg/m³
Water health violations 10yr1
TRI sites within 1 mi0
Air Quality
EPA AirNow + AQS · 2024
18
AQI latest — Good
18
AQI 7-day avg
0
Days unhealthy in last 90
3.2
PM2.5 annual µg/m³ (EPA NAAQS limit: 9.0)
39.8
Ozone annual ppb
Public Water System
COBB AREA COUNTY WATER DISTRICT · PWS CA1710012
1
Health-based violations (10yr)
0
Acute violations (10yr)
3,515
Population served
52
Most recent violation type
2025-06-01
Nearby Environmental Hazards
EPA Superfund (NPL), TRI release sites, brownfields (2024)
0
TRI sites within 1 mile
0
TRI sites within 5 miles
12.4 mi
Nearest Superfund (NPL)
SULPHUR BANK MERCURY MINE
6.8 mi
Nearest brownfield
JEWESS MINE
Sources: school_air_quality + school_air_quality_daily (EPA AQS / AirNow), school_water_safety (EPA SDWIS), school_env_hazards (EPA NPL / TRI / Brownfields).