In the San Diego region, 16 water agencies are planning to use over of recycled water per year in order to meet the region's water supply demand. The city of Carlsbad's new recycled water treatment and distribution system will deliver approximately } per year of recycled water to customers located in that community. In the southern portion of San Diego County, the Otay Water District is constructing a distribution system to deliver an estimated per year of recycled water by 2030 purchased from the city of San Diego's South Bay Water Recycling Plant. In Southern California, the Elsinore Valley Municipal Water District is using recycled water to help replenish and enhance Lake Elsinore.