Stationary (and Portable) Agricultural Engines

January 25, 2018 – Portable Spray Rigs used exclusively in agricultural applications are now exempt from District registration requirements. Please see the Compliance Advisory for more information.

Owner/Operators of existing agricultural engines over 50 horsepower were required to register their diesel engines with the District by March 1, 2008. New engine installations must be registered within 90 days of installation. For more information:

Compliance Advisory regarding installing new and replacement ag engines (2022)Fact Sheet (2022)NESHAP Compliance Advisory

Applications:

Form 1 - General Information Application (updated 7/2024)Form 2 – Engine Information Application Form 2a – Ag Engines Additional Locations Form 323 – Low Use Application

Please contact the District office for more information regarding diesel engine registration.

Other links relevant to this topic:

District Rule 1001– ATCM for Stationary Compression Ignition Engines Used in Agricultural Operations Table of EPA/CARB Tier Standards CARB Stationary Diesel Air Toxic Control Measure Page

Website Accessibility Statement

Butte County Air Quality Management District (the "District") is committed to ensuring that its services are accessible to all members of the public. As part of this commitment, the District strives to provide an accessible website compatible with the Web Content Accessibility Guidelines (WCAG) version 2.1, AA, and commercial screen reading software. Features of the website are created to allow individuals with vision and other impairments to understand and use the website to the same degree as someone without disabilities.

If you need any special assistance or accommodations:

Contact our compliance support team via telephone at: (888) 765-1970

Ongoing Compliance Information

Compliance Coordinator

The District has designated a Compliance Coordinator for website disability-related accommodations. The Compliance Coordinator has received training in website accessibility and updates the site in accordance with those best practices and requirements.

Compliance Procedures

The District is working to ensure all website content complies with the Americans with Disabilities Act and controlling State laws. In an ongoing effort to continually improve and remediate accessibility issues, the website is regularly scanned to ensure ongoing compliance, and timely changes are made to any inaccessible content if found.

Accessible Documents Policy

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Linked Documents and Third Parties

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Report a Website Accessibility Issue

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