Irrigation with Reclaimed Wastewater—Recent Trends

by Takashi Asano, California State Water Resources, Control Board, Sacramento, CA, USA,

Document Type: Proceeding Paper

Part of: Irrigation Systems for the 21st Century


Land application of municipal wastewater is a well established practice in California. Much of the reclaimed municipal wastewater (57%) in California is used for irrigation of fodder, fiber, and seed crops (a use not requiring a high degree of wastewater treatment), and about 7% is used for irrigation of orchard, vine, and other food crops. An important use in recent years (about 14%) is irrigation of golf courses, other turfgrass, and landscape areas. According to a survey conducted by California Department of Health Services, approximately 220,000 feet of wastewater is reclaimed by 240 municipal wastewater treatment plants that supply reclaimed water to more than 380 use areas.

Subject Headings: Municipal wastewater | Water reclamation | Irrigation | Municipal water | Wastewater treatment | Water treatment plants | Wastewater treatment plants | Land reclamation | California | United States

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