The Public Works Agency performs a number of management functions and oversees numerous activities in service to the citizens of the county including:

• Issuing and inspecting encroachment and transportation permits for work performed within the public right of way and the movement of extralegal loads on roadways.
• Managing and overseeing flood control and conservation districts.
• Managing, operating, constructing, and maintaining public roads, bridges, and various other related road features.
• Managing solid waste operations, county landfills, and the transfer station.
• Managing, operating, constructing, and maintaining airports in Willows and Orland.
• Performing the duties of the county surveyor.