Union Gap, Washington Drillers and Service Providers

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Welcome to your reliable source for water well drillers, groundwater, and drought information in union gap, Washington. Whether you're installing a new well, need repairs, or routine maintenance, find experts here.

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

Visit the Union Gap Water Well Map to view the water, irrigation, and geothermal wells.

Water Well Professionals in Union Gap, Washington – Water Well Drilling, Service, and Treatment

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Water Well Terminology

Leachate –Contaminated water that has percolated through a landfill or other waste material.

Learn about more terms in the glossary.

Union Gap Statistics

Geology
AquifierColumbia Plateau basin-fill aquifers
Rock FormationUnconsolidated sand and gravel aquifers
Well Information*
Well Depth-- (ft)
SWL-- (ft)
Bedrock Depth-- (ft)
Yield-- (gpm)
* Average within 5km
Drought Monitor
November 3, 2026D0 
October 27, 2026D0 
October 20, 2026D0 
October 13, 2026D0 
October 6, 2026D0 
September 29, 2026D0 
September 22, 2026D0 
September 15, 2026D0 
Source: US Drought Monitor