Air Quality
Good
Water Violations
16
Active Contamination
9
Active Permits
14
Air quality in Cumberland County is rated good with a median AQI of 42 (178 days measured in 2025). 1 community water system serve the area, with 16 recent violations in the last 5 years. 9 industrial facilities report toxic chemical releases totaling 69.1K lbs. 9 contamination sites are tracked, all with completed or ongoing remediation.
Air Quality — Cumberland 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
66Ozone Daysi
112Drinking 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
1Active Systemsi
20Recent Violationsi
16Recent Violations (Last 5 Years)
MILLVILLE WATER DEPARTMENT
Industrial 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.