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National air quality regulations have existed in the United States since 1970. However, many wastewater treatment facilities (except for those with combustion sources and a few large facilities) have had little experience in dealing with air regulations. Many wastewater treatment plant operations with air emissions have historically not been required to have air permits, but instead have been able to operate under permit exemptions. Though some have been required to provide periodic air emissions inventories and some have needed to install odor control facilities, wastewater treatment facilities generally have not had to deal with air quality permits or air pollution control. However, this situation has recently changed because of regulations developed pursuant to the Clean Air Act (CAA).

The Clean Air Act Amendments of 1990 (CAAA) include the following eleven titles that have been codified into the Clean Air Act.

Provisions for Attainment and Maintenance of National Ambient Air Quality Standards.

Provisions Relating to Mobile Sources.

Hazardous Air Pollutants

Acid Deposition Control


Stratospheric Ozone Protection

Provisions Relating to Enforcement

Miscellaneous Provisions

Clean Air Research

Disadvantaged Business Concerns

Clean Air Employment Transition Assistance

The objective of this paper is to discuss several Title I, III, V, and VII provisions that could affect wastewater treatment plants (WWTPs).

Document Type: Research Article


Publication date: 2002-01-01

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  • Proceedings of the Water Environment Federation is an archive of papers published in the proceedings of the annual Water Environment Federation® Technical Exhibition and Conference (WEFTEC® ) and specialty conferences held since the year 2000. These proceedings are not peer reviewed.

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