Northwest (Puget Sound & islands)

• Access Well Drilling

  Well drillingPumps & water systemsWater treatment & filtrationWell inspections for home salesWell decommissioning

  Sedro-Woolley well driller, started in 2024, drilling residential, irrigation and municipal wells, installing pumps and treatment, inspecting and decommissioning wells in Skagit, Whatcom, Island and Snohomish counties.

  Sedro-Woolley · Skagit, Whatcom, Island +1 more countiesEcology-licensed drillerL&I registeredClean L&I record

• Alcorn Pump & Water Filtration

  Pumps & water systemsWell service & rehabilitationWater treatment & filtrationWell inspections for home sales

  Family-owned Enumclaw well pump and filtration company doing pump installation and repair, pressure and storage systems, well rehabilitation by brushing and bailing, well shock, inspections, flow tests and well water filtration, with 24-hour out-of-water service.

  King CountyL&I registeredClean L&I record

• JKA Well Drilling & Pumps

  Well drillingPumps & water systemsWell service & rehabilitationWater treatment & filtrationWell inspections for home salesWell decommissioning

  Family-run Monroe well driller and pump company, founded in 1989, drilling, rehabilitating, inspecting and decommissioning wells and installing pumps, tanks and water treatment for homes in King and Snohomish counties.

  Monroe · Snohomish, King countiesEcology-licensed drillerL&I registered

• RH Drilling & Services

  Well drillingPumps & water systemsWell service & rehabilitationWater treatment & filtrationWell decommissioning

  Water well driller formed in 2010, drilling 5- to 25-inch cable tool and air-rotary wells, deepening and cleaning out wells, and installing pumps and filtration, mainly in Island, Clallam, Pierce and King counties.

  Island, Clallam, Pierce +1 more countiesEcology-licensed drillerL&I registeredClean L&I record

• Total Wells Pumps and Filtration

  Pumps & water systemsWell service & rehabilitationWater treatment & filtrationWell inspections for home sales

  Monroe-area well company on the Snohomish–King county line, doing pump repair and replacement, booster and storage systems, well rehabilitation and bailing, camera inspections, real-estate well inspections and filtration.

  Snohomish, King countiesL&I registeredClean L&I record

• Valley Pump Inc.

  Well drillingPumps & water systemsWater treatment & filtrationWell inspections for home salesWell decommissioning

  Family-owned Auburn pump and well drilling company, in business since 1938, drilling wells in King and Pierce counties and installing pumps, tanks and filtration, with well inspections for real estate sales.

  Auburn · King, Pierce countiesEcology-licensed drillerL&I registeredClean L&I record

Southwest & Olympic Peninsula

• Northwest Water Treatment

  Water treatment & filtration

  Family-owned well water treatment company, founded in 1996, designing and installing softeners, iron and manganese filters, arsenic removal, UV and reverse osmosis for homes and community wells in Pierce, south King and Thurston counties.

  Pierce, King, Thurston countiesL&I registeredClean L&I record

• Washington Pure Water Products

  Water treatment & filtration

  Centralia water treatment company installing and servicing iron reduction, water softener, arsenic, UV and reverse osmosis systems for homes and businesses, including homes on well water, with free water testing.

  Lewis CountyL&I registeredClean L&I record

Eastern Washington

• Fogle Pump & Supply

  Well drillingPumps & water systemsWell service & rehabilitationWater treatment & filtrationWell decommissioning

  Colville-based well driller, pump installer and water treatment company in business since 1981, with offices in Colville, Republic, Airway Heights and Deer Park serving eastern Washington.

  Colville · Stevens, Ferry, Spokane +2 more countiesEcology-licensed drillerL&I registered