Muncie, IN
Data last updated April 26, 2026
Data last updated April 26, 2026
Muncie has 202 tracked environmental sites across EPA databases, including 100 water systems, 39 Toxic Release Inventory facilities. There are 17 drinking water violations on record. Air quality in Delaware County is rated "Good" with a median AQI of 44. Source: U.S. Environmental Protection Agency.
Air Quality
Good
Water Violations
None
Active Contamination
62
Active Permits
8
Air quality in Delaware County is rated good with a median AQI of 44 (273 days measured in 2025). 0 community water systems serve the area with a clean compliance record. 39 industrial facilities report toxic chemical releases totaling 286.3K lbs. 63 contamination sites are tracked, all with completed or ongoing remediation. 3 EV charging stations are available in the area.
Air Quality — Delaware 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
131Ozone Daysi
142Drinking 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
13Recent Violationsi
0Industrial Monitoringi
Toxic Release Inventory (TRI)i
TRIWastewater & Stormwater Permits (NPDES)i
NPDESContamination 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.
EV Charging & Alternative Fuel Stationsi
AFDC