Northwest (Puget Sound & islands)

• Lofall Well Drilling

  Well drillingPumps & water systemsWell service & rehabilitationWell decommissioning

  Poulsbo water well driller founded in 1988, drilling residential, Group B community and replacement wells, deepening and rejuvenating wells, decommissioning and replacing pumps in Kitsap, Jefferson, Clallam and Mason counties.

  Kitsap, Jefferson, Clallam +1 more countiesEcology-licensed drillerL&I registeredClean L&I record

Southwest & Olympic Peninsula

• Advanced Drilling

  Well drillingPumps & water systemsWater treatment & filtrationWell decommissioning

  Rochester, Thurston County, rotary well driller that also deepens and decommissions wells, installs and repairs pumps, pressure tanks and variable speed drives, and installs water treatment in southwest Washington.

  Thurston CountyEcology-licensed drillerL&I registeredClean L&I record

Central Washington

• Carpenter Drilling

  Well drillingWell service & rehabilitationWell decommissioning

  Benton City drilling contractor, founded in 1995, that does core drilling and builds, restores, cleans and maintains water wells, including Hanford monitoring and water wells.

  Benton CountyEcology-licensed drillerL&I registeredClean L&I record

• Cobalt Drilling

  Well drillingWell service & rehabilitationWell decommissioning

  Tri-Cities well driller founded in 2021, drilling residential, irrigation and Group A wells, and offering camera inspections, clean-outs, repairs and well decommissioning.

  Benton, Franklin countiesEcology-licensed drillerL&I registeredClean L&I record

• Empire EWP

  Well drillingPumps & water systemsWater treatment & filtrationWell decommissioning

  Wenatchee well driller drilling domestic, irrigation and municipal wells, with pump service, flow testing, water sampling and well decommissioning across central and eastern Washington.

  Wenatchee · Chelan, Douglas, Grant +7 more countiesEcology-licensed drillerL&I registeredClean L&I record

• Hoopes Well Drilling

  Well drillingWell service & rehabilitationWell decommissioning

  Family-run Richland well driller drilling domestic, irrigation and municipal wells, and rehabilitating, cleaning out and decommissioning existing wells.

  Benton CountyEcology-licensed drillerL&I registeredClean L&I record

• O'Connell Drilling & Supply

  Well drillingPumps & water systemsWater treatment & filtration

  Brewster well driller and pump supplier drilling domestic and agricultural wells and installing turbine, submersible and centrifugal pumps in Okanogan, Douglas and Chelan counties.

  Brewster · Okanogan, Douglas, Chelan countiesEcology-licensed drillerL&I registeredClean L&I record

Eastern Washington

• Vermillion Pump & Drilling

  Well drillingPumps & water systemsWell service & rehabilitationWater treatment & filtration

  Family-owned Chattaroy well driller and pump company serving Spokane and surrounding areas, offering well drilling, deepening, clean-out and repair, pump systems, reservoirs, well video and certified pump tests.

  Chattaroy · Spokane, Lincoln countiesEcology-licensed drillerL&I registeredClean L&I record