Air Quality
Good
Water Violations
3
Air quality in Tooele County is rated good with a median AQI of 45 (304 days measured in 2025). 3 community water systems serve the area, with 3 recent violations in the last 5 years.
Air Quality — Tooele 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
48Ozone Daysi
256Drinking 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
3Active Systemsi
3Recent Violationsi
3Recent Violations (Last 5 Years)
GRANTSVILLE CITY
Historical Violations (Over 5 Years Ago)