‘Water project’ means facilities pertaining to a county water system for the collection, transportation, treatment, purification and distribution of water, including, without limitation, springs, wells, ponds, lakes, water rights, other raw water sources, basin cribs, dams, spillways, retarding basins, detention basins, reservoirs, towers, and other storage facilities, pumping plants, infiltration galleries, filtration plants, purification systems, other water treatment facilities, waterworks plants, pumping stations, gauging stations, ventilating facilities, stream gauges, rain gauges, valves, standpipes, connections, hydrants, conduits, flumes, sluices, canals, channels, ditches, pipes, lines, laterals, service pipes, force mains, submains, syphons, other water transmission and distribution mains, engines, boilers, pumps, meters, apparatus, tools, equipment, fixtures, structures, buildings and other facilities for the acquisition, transportation, treatment, purification and distribution of untreated water or potable water for domestic, commercial and industrial use and irrigation, or any combination thereof. A water project in a county whose population is 100,000 or more but less than 700,000 may include as a part thereof a program established by the county pursuant to NRS 244.3651 to provide financial assistance to persons to connect to the water system.