Union, Oregon Drillers and Service Providers

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Locate top-notch water well drillers, groundwater, and drought information in union, Oregon. Whether you need a new well, repairs, or regular maintenance, find experts through our listings.

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

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

Water Well Professionals in Union, Oregon – Water Well Drilling, Service, and Treatment

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Water Well Terminology

Transmissivity –The ability of an aquifer to transmit water, equal to the hydraulic conductivity times the saturated thickness of the aquifer.

Learn about more terms in the glossary.

Union 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
October 27, 2026D3 
October 20, 2026D3 
October 13, 2026D3 
October 6, 2026D3 
September 29, 2026D3 
September 22, 2026D3 
September 15, 2026D3 
September 8, 2026D3 
Source: US Drought Monitor