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  2. Air Quality Implementation Plans

Iowa SIP: EPA Approved Iowa Regulations

EPA Approved Iowa Regulations
(40 CFR 52.820 (c), Part 62, and Part 70)

Iowa Department of Natural Resources [561] 
Natural Resources Department

ChapterTitle

Iowa Department of Natural Resources [567] 
Environmental Protection Commission

ChapterTitle
Chapter 2Public Records and Fair Information Practices (Note: Chapter 2 Rules are approved under Part 70 and are not SIP approved.)
Chapter 7Rules of Practice in Contested Cases (Note: Chapter 7 Rules are approved under Part 70 and are not SIP approved.)
 
Chapter 10Administrative Penalties  (Note: Chapter 10 Rules are approved under Part 70 and are not SIP approved.)
Chapter 20Scope of Title - Definitions
Chapter 21Compliance
Chapter 22Controlling Pollution  (Note: not all Chapter 22 Rules are SIP approved.)
Chapter 23Emission Standards for Contaminants
Chapter 24Excess Emissions
Chapter 25Measurement of Emissions
Chapter 26Prevention of Air Pollution Emergency Episodes
Chapter 27Certificate of Acceptance
Chapter 28Ambient Air Quality Standards
Chapter 29Qualification in Visual Determination of the Opacity of Emissions
Chapter 30Fees  (Note: Rule 30.4 is approved under Part 70 and is not SIP approved.)
Chapter 31Nonattainment Areas
Chapter 33Special Regulations and Construction Permit Requirements for Major Stationary Sources - Prevention of Significant Deterioration (PSD) of Air Quality

Local Agency Ordinances

EPA has approved rules and regulations for two local air pollution control agencies in Iowa. To view these Federally approved ordinances, select the geographic area of interest.

Linn County (Cedar Rapids)
Air Quality Ordinance, Chapter 10
Polk County (Des Moines)
Board of Health Rules and Regulations, Air Pollution Chapter V

Air Quality Implementation Plans

  • About Air Quality Implementation Plans
  • Approved Air Quality Implementation Plans
  • Develop an Air Quality SIP
  • Find a Regional Contact for Air Quality SIPs/FIPS/TIPs
  • Tools for SIP Status
Contact Us about Air Quality Implementation Plans
Contact Us about Air Quality Implementation Plans to ask a question, provide feedback, or report a problem.
Last updated on December 17, 2025
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