The project constructed the Mocho Groundwater Demineralization Plant which included a new reverse osmosis (RO) membrane demineralization plant capable of producing 6.1 mgd of permeate. The new demineralization plant included a building with cartridge filters, RO membrane feed pumps, RO membrane skids, decarbonation towers, chlorine contact basin, high service pumps, concentrate disposal pumps, chemical feed systems, membrane clean-in-place system, electrical room, storage room, control room, water quality station, and restroom.