Air Quality
Good
Water Violations
None
Active Contamination
None
Active Permits
5
Air quality in Warren County is rated good with a median AQI of 38 (177 days measured in 2025). 0 community water systems serve the area with a clean compliance record. 3 industrial facilities report toxic chemical releases totaling 432 lbs. 1 contamination site are tracked, all with completed or ongoing remediation.
Air Quality — Warren 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
49Ozone Daysi
123Drinking 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
0Active Systemsi
3Recent Violationsi
0Industrial Monitoringi
Toxic Release Inventory (TRI)i
TRIContamination Sitesi
Contaminated sites tracked by the EPA and state agencies. Superfund sites are the most seriously contaminated locations. Brownfields are former industrial properties being cleaned up for reuse. LUST sites have confirmed leaks from underground storage tanks.
No active contamination sites.