Holley, Oregon Drillers and Service Providers

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Your premier resource for water well drillers, groundwater, and drought information in holley, Oregon. Connect with trusted professionals for new installations, repairs, or maintenance.

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

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

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Water Well Terminology

Seepage –Slow movement of water through soil or rock.

Learn about more terms in the glossary.

Holley Statistics

Geology
AquifierPacific Northwest 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
November 3, 2026D2 
October 27, 2026D2 
October 20, 2026D2 
October 13, 2026D2 
October 6, 2026D2 
September 29, 2026D2 
September 22, 2026D3 
September 15, 2026D3 
Source: US Drought Monitor