Air Quality
Good
Water Violations
4
Air quality in Box Elder County is rated good with a median AQI of 48 (305 days measured in 2025). 7 community water systems serve the area, with 4 recent violations in the last 5 years.
Air Quality — Box Elder County (2025)i
AQSThe Air Quality Index measures how clean or polluted the air is on a given day. AQI is reported at the county level. A score of 0-50 is considered good; 51-100 is moderate; above 100 may be unhealthy for sensitive groups.
Median AQI
PM2.5 Daysi
29Ozone Daysi
271Drinking Wateri
SDWISPublic water systems registered to serve this area. Community systems (CWS) provide water to residents year-round. Violations indicate a system failed to meet federal drinking water standards.
Community Systemsi
7Active Systemsi
7Recent Violationsi
4Recent Violations (Last 5 Years)
BEAR RIVER WCD- COLLINSTON WATER SYSTEM
Historical Violations (Over 5 Years Ago)
BEAR RIVER WCD-BEAVER DAM
CORINNE CITY
BEAR RIVER WCD-BOTHWELL
BEAR RIVER WCD-HARPER WARD
BEAR RIVER WCD-TREMONTON BOOSTER STATION
BEAR RIVER WCD-SO WILLARD