Learn more about how to report data to the Department of Natural Resources or how to file a complaint about an environmental concern.

Air Emissions Reporting
Tracking and reporting air emissions
Waste Reporting
Hazardous waste generators, TSD facilities, solid waste tonnage and more
Environmental Emergency Response
Hazardous substance releases
Water Reporting
Electronic discharge monitoring, SSO/ bypass, major water users
Report an Environmental Concern or Submit a Question
Let us know if you see something affecting our natural resources
I-70/ I-270 Area Odor Complaint Form
Report an odor concern detected in the St. Louis I-70/ I-270 area