To enable the Missouri Department of Natural Resources to conduct a meaningful field investigation of the odor conditions, we encourage you to notify us as close to the time that you experienced the odor as possible using the link to the I-70/ I-270 Area Odor Complaint Form
If you need to report an emergency, contact your local fire protection district using the 911 system.
If you smell natural gas or propane, please call Spire Energy’s Emergency Line at 800-887-4173 or 911.
If this is to report an odor concern, you may report your concern by using the online odor concern form link above or by contacting one of the following offices and stating you need to report an odor concern:
- St. Louis County Department of Public Health – Air Pollution Control Program: 314-615-8924 or by email at AirPollution.DPH@stlouiscountymo.gov
- Missouri Department of Natural Resources – St. Louis Regional Office: 314-416-2960 (Call this number if the Odor Complaint form is not working. Thank you.
The phone numbers are staffed Monday through Friday, between 8 a.m. and 5 p.m., and are equipped with voicemail. After 5 p.m., please feel free to leave a detailed voice message stating your concern. Please include a call back number if you would like a return call from the department.