Spearfish, South Dakota Drillers and Service Providers

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Locate expert water well drillers, groundwater, and drought information in spearfish, South Dakota. Whether you're installing, repairing, or maintaining a well, find trusted professionals in our listings.

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

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

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Water Well Terminology

Flow Meter –A device used to measure the flow rate of water.

Learn about more terms in the glossary.

Spearfish Statistics

Geology
AquifierOther rocks
Rock FormationUnknown
Well Information*
Well Depth-- (ft)
SWL-- (ft)
Bedrock Depth-- (ft)
Yield-- (gpm)
* Average within 5km
Drought Monitor
October 13, 2026D2 
October 6, 2026D2 
September 29, 2026D2 
September 22, 2026D2 
September 15, 2026D3 
September 8, 2026D3 
September 1, 2026D3 
August 25, 2026D3 
Source: US Drought Monitor