Water Code - Division 8: Water Quality - Chapter 9: Waste Water Treatment Plant Classification and Operator Certification (secs. 13625 - 13633). Country/Territory United States of America Territorial subdivision California Document type Legislation Date 1985 (2016) Source FAO, FAOLEX Subject Water Keyword Recycling/reuse Water quality standards Certification Classification/declassification Registration Freshwater pollution Pollution control Geographical area Americas, Arctic, East Pacific, North America, North Atlantic Abstract This Chapter of Division 7 of the Water Code of California concerns waste water treatment plant classification and operator certification. The State Water Resources Control Board shall issue a certificate stating that an operator of a wastewater treatment plant or a supervisor who has direct responsibility for the operation of a wastewater treatment plant or who supervises any operators of a wastewater treatment plant or operator has met the requirements for a specific classification in the certification program. Any person or entity that contracts with the owner of a wastewater treatment plant to operate that plant shall register with the Board. Full text English Website www.waterboards.ca.gov