Dust Sources

Dust Control


There are three types of sites or activities governed by Maricopa County dust control regulations. If you have any questions about whether your site or activities are covered by these regulations, please call 602-506-6010.

Dust control certifications are required in order to engage in many dust-generating activities. Visit our Dust Control Training page to learn more, or to find out if you need dust control certification.
  1. Rule 310
  2. Rule 310.01
  3. Rule 316

Traditional Dust-Generating Activities (Rule 310)


Any activity capable of generating fugitive dust (such as construction, earthmoving, demolition, or weed abatement), regardless of the size of the site, must comply with Rule 310 and control potential dust.

In addition, a Dust Control Permit is required by Rule 310 (PDF) for many types of sites, such as:
  • Activities that will disturb a surface area equal to or greater than 0.1 acre
  • Bulk material handling
  • The demolition of buildings
For more information, consult the Dust Abatement Handbook (PDF). You can also watch the Construction Dust Control Video (available in English and Spanish versions).