Maryland Title V regulations & environmental compliance analysis

Maryland Title V: What you need to know

Governing Law and Regulations

Non-Title V operating permits:

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State operating permits: Code of Maryland Regulations (COMAR) and COMAR

Synthetic minor operating permits: COMAR and COMAR

Title V operating permits: COMAR to and 40 CFR 70 Appendix A

Applicability: COMAR

Application requirements: COMAR and COMAR

Public notice: COMAR


Regulatory Agency

Maryland Department of the Environment (MDE) Air and Radiation Management Administration (ARMA)

See ADDRESSES & CONTACTS for addresses and telephone numbers.

See national section for basic information and federal regulations.

Comparison: State vs. Federal

• Rules. Maryland's air regulations require all sources specifically listed to obtain a permit. Those sources with potential emissions above the Title V thresholds must obtain a Title V operating permit, also known as a Part 70 permit. The Maryland Title V program follows the federal provisions, including provisions establishing greenhouse gas permitting thresholds, and received full approval from the U.S. Environmental Protection Agency (EPA).

• Administration and enforcement. MDE's ARMA is responsible for the administration and enforcement of the air quality operating permit program.

State Requirements


State Operating Permits


Maryland has a long list of specific industries and processes that require state operating permits unless the source is a major source and must obtain a Part 70 (also known as Title V) operating permit. The list of facilities that are required to obtain operating permits can be found at COMAR ...

Read more about Title V