California Code, Public Utilities Code - PUC § 16463

A district may acquire, construct, own, complete, use, and operate a fire department, street lighting system, public parks, public playgrounds, golf courses, public swimming pools, public recreation buildings, buildings to be used for public purposes, and works to provide for the drainage of roads, streets, and public places, including, but not limited to, curbs, gutters, sidewalks, and pavement of streets.  For purposes of this division, all of those projects shall be considered a public utility or public utility works.