['Air Programs']
['Air Permitting']
04/09/2026
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Each state manages Clean Air Act operating permits differently. Use the chart below to determine if additional requirements apply to your operations.
Title V of the Clean Air Act consolidates federally enforceable operating permit programs into one document and defines all applicable air pollution control requirements to which a “major” source is subject.
A major source is defined as a facility with the potential to emit 100 tons/year or more of a criteria pollutant, or a facility with the potential to emit 10 tons per year or more of a single hazardous air pollutant (HAP), or 25 tons per year or more of any combination of HAPs.
View federal ezExplanation for more information.
Federal regulatory citation
State Comparison
State
Adherence to federal regulations
State regulatory citation(s)
Differences from federal
Alabama
Air Division has primary jurisdiction; Jefferson County Department of Health and City of Huntsville Department of Natural Resources administer the program in Jefferson County and City of Huntsville.
Code of Alabama §§22-28-1 – 22-28-23;
ADEM Admin. Code, Div 335-3
Alaska
Alaska Department of Environmental Conservation’s Division of Air Quality regulates state-specific requirements. Incorporates some federal regulations by reference.
Arizona
Regulating authorities:
- Maricopa, Pima, and Pinal counties (with exclusions).
- Arizona Department of Environmental Quality for sources operating in multiple counties/outside of above counties.
- EPA for sources on Indian lands.
Arkansas
Arkansas Department of Environmental Quality, Office of Air Quality regulates the air permitting program, which meets state and federal regulations.
California
California Environmental Protection Agency. The District Rules Database is the best source for identifying the stationary source permitting requirements in any specific area in California.
Colorado
Colorado Department of Public Health & Environment regulates air permitting.
Connecticut
Department of Energy & Environmental Protection enforces permitting requirements.
Delaware
State of Delaware Division of Air Quality oversees regulations and permits governing the control of air pollution from all sources in the state.
District of Columbia
Department of Energy & Environment Air Quality Division issues permits.
Florida
Florida Department of Environmental Protection, Division of Air Resource Management administers its own air emissions permit program.
Georgia
Georgia Environmental Protection Division regulates the air emissions permitting program.
Hawaii
State of Hawaii, Department of Health, Clean Air Branch administers and enforces all air permitting regulations in the state.
Idaho
Idaho Department of Environmental Quality enforces air quality regulations in the state.
Illinois
Illinois Environmental Protection Agency, Bureau of Air issues permits and regulates air emissions for the state.
Indiana
Indiana Department of Environmental Management administers air emissions program for the state.
Iowa
Iowa Department of Natural Resources administers the air pollution program
Kansas
Kansas Department of Health and Environment administers the air emissions program for the state.
Kentucky
Kentucky Energy and Environment Cabinet administers the air emissions program.
Louisiana
Louisiana Department of Environmental Quality administers the state's operating permits program.
Maine
Maine Department of Environmental Protection licenses air emissions sources in the state.
Maryland
Maryland Department of the Environment administers the air emissions program.
Massachusetts
Massachusetts Department of Environmental Protection is the issuing authority for operating permits.
Michigan
Michigan Department of Environment, Great Lakes, and Energy administers the air emissions permitting program for the state.
Minnesota
Minnesota Pollution Control Agency administers and enforces the state's air emissions permitting program.
Mississippi
Mississippi Department of Environmental Quality administers the state's air emissions program.
Missouri
Missouri Department of Natural Resources administers the state's air emissions permitting program.
Montana
Montana Department of Environmental Quality issues permits for stationary sources and portable emitting units.
Nebraska
Nebraska Department of Environment and Energy administers the state's air permitting program.
Nevada
Nevada Division of Environmental Protection issues air quality operating permits to stationary and temporary mobile sources.
New Hampshire
New Hampshire Department of Environmental Services implements most federal air pollution control regulations and issues permits throughout the state.
New Jersey
State of New Jersey Department of Environmental Protection administers the permit program
NJAC 7: 27-22.2
New Mexico
New Mexico Environment Department administers the state's air permitting program.
New York
New York State Department of Environmental Conservation administers its own air emissions program.
North Carolina
North Carolina Environmental Quality administers air quality permits for the state.
North Dakota
North Dakota Environmental Quality administers air quality permits for the state.
Ohio
Ohio Environmental Protection Agency administers air quality permits for the state.
Oklahoma
Oklahoma Department of Environmental Quality administers its own air emissions permit program.
Oregon
Oregon Department of Environmental Quality administers air quality permits for the state.
Pennsylvania
Pennsylvania Department of Environmental Protection administers the state's operating permits program.
Rhode Island
Rhode Island Department of Environmental Management administers the state's air emissions permit program.
South Carolina
S. C. Department of Health and Environmental Control administers the state's operating permit program.
South Dakota
South Dakota Department of Environment & Natural Resources administers the air quality permits for the state.
Tennessee
Tennessee Department of Environment & Conservation administers the state's air emissions permit program. In Davidson, Hamilton, Knox, and Shelby counties, county air permit agencies issue permits (excluding state facilities).
Texas
Texas Commission on Environmental Quality issues air quality permits.
Utah
Utah Department of Environmental Quality, Air Quality administers the state's air emissions permit program.
Vermont
Agency of Natural Resources, Department of Environmental Conservation administers and enforces the state's air emissions permit program.
VAR 12-031-001-5-1001 - 12-103-001-5-1016
Virginia
Virginia Department of Environmental Quality administers and enforces air quality operating permit regulations in the state.
Washington
Department of Ecology State of Washington administers and enforces the state's air emissions permit program.
West Virginia
West Virginia Department of Environmental Protection administers and enforces the state's air emissions permit program.
Wisconsin
Wisconsin Department of Natural Resources administers and enforces the state's air emissions rules.
Wyoming
Wyoming Department of Environment Quality administers and enforces the Title V program in WY. The program mirrors federal Title V.
['Air Programs']
['Air Permitting']
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Copyright 2026 J. J. Keller & Associate, Inc. For re-use options please contact copyright@jjkeller.com or call 800-558-5011.