If you are involved in or witness an environmental emergency, call the Missouri Department of Natural Resources at 573-634-2436. Vist Environmental Emergency Response for more information.

To report a chemical spill, call the 24-hour Environmental Emergency Response Hotline, 573-634-2436.

Responsible parties/spillers are required to report releases of hazardous substances to the department's 24-hour Environmental Emergency Response Hotline, 573-634-2436, or to the National Response Center, 800-424-8802.

You may use the online reporting form to report an environmental concern. You may also contact a regional office in your area.

For general questions and comments related to Environmental Emergency Response/Field Services Section, email or call 573-526-3348.

For all other department-related questions, email or call 800-361-4827.