Environment
Isom Elementary School — Environment & Air Quality
Air quality, drinking-water safety and environmental hazards within 1–5 miles of Isom Elementary School in LYNDEN, Washington.
Latest Air Quality Index
31
Good · monitor 21.1 km away
PM2.5 annual5.7 µg/m³
Water health violations 10yr2
TRI sites within 1 mi2
Air Quality
EPA AirNow + AQS · 2024
31
AQI latest — Good
31
AQI 7-day avg
3
Days unhealthy in last 90
5.7
PM2.5 annual µg/m³ (EPA NAAQS limit: 9.0)
38.8
Ozone annual ppb
Public Water System
LYNDEN WATER DEPARTMENT · PWS WA5349150
2
Health-based violations (10yr)
2
Acute violations (10yr)
17,969
Population served
36
Most recent violation type
2025-07-01
Nearby Environmental Hazards
EPA Superfund (NPL), TRI release sites, brownfields (2024)
2
TRI sites within 1 mile
2
TRI sites within 5 miles
12.6 mi
Nearest Superfund (NPL)
OESER CO
12.8 mi
Nearest brownfield
LITTLE SQUALICUM
Sources: school_air_quality + school_air_quality_daily (EPA AQS / AirNow), school_water_safety (EPA SDWIS), school_env_hazards (EPA NPL / TRI / Brownfields).