The Encina Wastewater Authority is a public agency located in Carlsbad, Calif. It provides wastewater treatment service to more than 300,000 residents in northwestern San Diego County. The agency is owned by over five government entities under a joint agreement. The Encina Wastewater Authority operates various pump stations and water treatment plants. Its maintenance department has over 3,000 pieces of equipment to perform repairs. The agency also operates a pretreatment program to protect the environment and the quality of biosolids generated from the wastewater treatment process. The Encina Wastewater Authority additionally manages a certified environmental laboratory that is staffed with qualified and experienced analysts.