Do you need a certified drilling contractor to drill your water well on-site? Hire a certified ground water contractor who offers full-service drilling for water systems. Water well contractors offer residential water well construction after locating where a stable supply of potable water is stored underground. Turn to the West Kootenay BetterBook for a comprehensive list of water well contractors for all your water well drilling needs. Drilling water wells, installing pumps, trenching for water lines and installing pressure tanks are required to access underground water supply. Drilling companies employ licensed and certified drillers qualified to drill and develop water wells for residential and commercial water needs.