(PHOENIX, AZ) — Maricopa County Air Quality Department (MCAQD) encourages commercial properties, government agencies and residents to reduce dust this fall when switching to winter rye grass. Overseeding can impact air quality by generating dust when scalping existing Bermuda grass. Each year the department responds to questions and concerns from landscapers, golf course managers and residents regarding the dust created during the overseeding process.
The department offers the following tips to help prevent dust during the overseeding process:
- Avoid scalping on windy days and on High Pollution Advisory (HPA) days
- Don’t over-dry the area prior to scalping
- Apply water to moisten the area prior to scalping
- Reduce the area to be overseeded and the depth of scalping
- Keep dust collection screens and filters in good working order
- Sweep loose debris from paved surfaces instead of using a leaf blower: P-25 Ordinance
- Moisten material piles before loading into dumpsters
Generally overseeding/scalping projects do not require a dust control permit. However, the dust emissions generated during these projects are still regulated under MCAQD’s Rule 310. Visible dust emissions beyond the property line may result in an air quality violation.
Residents may report air quality concerns or dust control issues by calling the department at 602-372-2703 or filing a report online at Maricopa.gov/2132/Report-a-Violation.
An overseeding flyer (English/Spanish) is available at bit.ly/overseeding. Please check with your local municipalities for possible additional restrictions.
About Maricopa County Air Quality Department
The mission of the Maricopa County Air Quality Department is to improve the air of Maricopa County so customers, residents and visitors can live, work and play in a healthy environment. The department is governed by the Maricopa County Board of Supervisors and follows air quality standards set forth by the federal Clean Air Act.
The department offers air quality information and resources on its Clean Air Make More website. Visit www.CleanAirMakeMore.com to learn more.
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