Air Quality
Good
Water Violations
1
Active Permits
21
Air quality in Jefferson County is rated good with a median AQI of 42 (122 days measured in 2025). 7 community water systems serve the area, with 1 recent violation in the last 5 years. 3 EV charging stations are available in the area.
Air Quality — Jefferson 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
0Ozone Daysi
122Drinking 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
11Recent Violationsi
1Recent Violations (Last 5 Years)
SHADY GROVE UTILITY DISTRICT
Historical Violations (Over 5 Years Ago)
DANDRIDGE WATER MGMT FACILITY
Industrial Monitoringi
Toxic Release Inventory (TRI)i
TRIEV Charging & Alternative Fuel Stationsi
AFDC