Adopted Regulations

The Adopted Regulations Index provides a list of existing rules and/or regulations that departments are required to administer. These requirements address various matters of public interest such as health, safety and environmental effects. These documents are provided in an effort to promote a transparent and open process to all interested parties with regard to regulatory reform.
Adopted Regulation Title Description
12/2022 Air Pollution Control Regulation The Maricopa County Air Pollution Control Regulations constitute the legal basis for control of air pollution sources in Maricopa County, Arizona. They are adopted to implement the rules and policy set forth in the Arizona Revised Statutes (A.R.S.) Title 49, Chapter 3, Article 3. County Air Pollution Control, §§ 49-471, subparts 471.01 through 471.12 as well as 49-112 (county regulation; standards), 49-479 (rules, hearings), 49-498 (notice of hearings, publications; service); and under Title 11, Chapter 6, Article 4. Air Quality, §§ 11-251.05 (ordinances), and 11-251.08 (fees). The statutory authority also fulfills the State's responsibilities under the Federal Clean Air Act and its amendments to provide a legally enforceable State Implementation Plan for the attainment and maintenance of the National Ambient Air Quality Standards.

For a break out of individual rules: Adopted Rules

No.  Adopted Ordinance Title Description
P-35  02/23/2022 Fireworks Restriction
Describes restrictions for fireworks in Maricopa County.
P-28  01/12/2011 Off-Road Vehicle Use in Unincorporated Areas of Maricopa County Ordinance (PDF) Describes restrictions for operating vehicles on unpaved property in unincorporated areas of Maricopa County.
P-27  01/12/2011 Vehicle Parking and Use on Unstabilized Vacant Lots Ordinance (PDF) Describes restrictions for vehicle parking and use on unstabilized vacant lots in unincorporated sections of Area A in Maricopa County.
P-26  10/23/2019 Residential Woodburning Restriction Ordinance (PDF) Describes restrictions for residential burning.
P-25  03/26/2008 Leaf Blower Restriction Ordinance (PDF) Describes restrictions for leaf blowers in incorporated and unincorporated sections of Area A in Maricopa County.
P-21  06/26/2002 Vehicle Idling Restriction Ordinance (PDF) Describes restrictions for diesel idling.
P-7  11/18/2020 Travel Reduction Program Ordinance (PDF) Describes the requirements for major employers and schools to develop, implement, and maintain a Travel Reduction Program.