Coulee City, Washington Drillers and Service Providers

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Find top water well drillers, groundwater, and drought information in coulee city, Washington. For new installations, repairs, or regular maintenance, trust our listings.

Interactive Water Well Map – Estimate your new well's depth

Visit the Coulee City Water Well Map to view the water, irrigation, and geothermal wells.

Water Well Professionals in Coulee City, Washington – Water Well Drilling, Service, and Treatment

D C Drilling Inc.
6333 S Frontage Rd E
Joy Drilling Co
5369 Janel Ct NE
Bransen Drilling LLC
406 W Broadway Ave Ste F
Empire Well Drilling
O'Connell Drilling & Supply
21B Brewster Airport Rd
Rock Well Water Systems & Pumps
14765 Shamel St

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Water Well Terminology

Capillary FringeThe subsurface layer where groundwater seeps up from a water table by capillary action.

Learn about more terms in the glossary.

Coulee City Statistics

Geology
AquifierColumbia Plateau basaltic-rock aquifers
Rock FormationIgneous and metamorphic-rock aquifers
Well Information*
Well Depth-- (ft)
SWL-- (ft)
Bedrock Depth-- (ft)
Yield-- (gpm)
* Average within 5km
Drought Monitor
July 8, 2025D1 
July 1, 2025D1 
June 24, 2025D0 
June 17, 2025D0 
June 10, 2025D0 
June 3, 2025D0 
May 27, 2025N 
May 20, 2025N