Customers in Knox County and throughout central Ohio have relied on OK Pump and Water Well Drilling Service in Mt. Vernon, Ohio, for prompt, professional, and skilled water pump, septic tank, well drilling, and water softener service. We specialize in a full range of services, including septic tank installation; water well drilling, service and repairs; mound systems; water pump installation, service, and repairs; geothermal well drilling; and installation and service of water softener systems. We also have 24-hour emergency services.