Oasis Drilling is a water well driller headquartered in Union Gap, in Yakima County. It says it has served homeowners, farmers and businesses in the Yakima Valley since 1985. Its service-area list names Union Gap, Yakima, Selah, Moxee, Naches, Cowiche, Tieton, White Swan, Toppenish, Zillah, Sunnyside, Grandview, Mabton and Prosser.
Wells. The company drills domestic, commercial and agricultural wells with air rotary equipment, including high-capacity irrigation wells and livestock wells for farms and ranches. It also drills community wells for subdivisions and rural developments, and vertical boreholes for closed-loop geothermal heat pump systems.
Pumps and repair. For new wells it sizes and installs submersible pumps, pressure tanks, wellheads and controls. Its repair and maintenance service covers troubleshooting, flow rate checks, pump repairs and pressure problems.
Decommissioning. Oasis offers well abandonment for inactive, dry or damaged wells, following Ecology’s rules.
Hours and licensing. Hours are Monday to Friday, 8 am to 6:30 pm, and estimates are free. Ecology’s driller search lists two water well operators at the company. L&I lists a contractor registration with the well drilling specialty.