About The District
The Rainbow Municipal Water District was established in 1953 and is a Special District, organized under Section 71000 of the California Water Code. The District provides water and sanitation services to over 8,800 water customers and 3,260 sewer customers within an 82-square mile service area which includes unincorporated San Diego County communities of Rainbow, Bonsall, and portions of Vista, Oceanside, and Fallbrook. The Special District is comprised of a five member elected Board and five Divisions.
Rainbow Water imports 100% of its water from Metropolitan Water District's Lake Skinner Water Treatment Plant in Temecula, Riverside County. The District is a member of the Eastern Municipal Water District, a water wholesaler in Riverside County.
As a small public agency, Rainbow Water treats and delivers water to over 52,000 acres which includes 344 miles of water main, eight pump stations, three reservoirs, and 13 storage tanks to deliver water to its customers. We also provide sewer services to parts of our District and maintain eight lift stations and 60 miles of sewer main.
