Governing Law and Regulations
Regulatory Agency
Missouri Department of Natural Resources (DNR) Division of Environmental Quality Air Pollution Control Program
See ADDRESSES & CONTACTS for addresses and telephone numbers.
See national section for basic information and federal regulations.
Comparison: State vs. Federal
• Rules. Missouri is authorized by the U.S. Environmental Protection Agency (EPA) to administer its own air emissions permit program. Missouri categorizes air pollution sources into three types: Part 70 (also known as Title V), Intermediate, and Basic. Upon expiration of a construction permit, basic and intermediate facilities are required to notify the Missouri Department of Natural Resources (DNR) of their intent to operate, while major sources are subject to Title V permit requirements. The Missouri Title V operating permit program follows the federal provisions, including provisions establishing greenhouse gas permitting thresholds. The program received full approval from EPA.
• Administration and enforcement. The Air Pollution Control Program of DNR's Division of Environmental Quality ...