South Dakota Well Data › Lawrence County › Spearfish (57783)
Spearfish, SD (57783): well depth, water level & drilling cost
✓ 255 SD DANR records · Lawrence County
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How deep are wells in and around Spearfish (57783), South Dakota?
The median drilled well depth in and around Spearfish (57783) is 472 ft, based on 255 wells with recorded depths in the state SD DANR database. Half fall between 178 ft and 680 ft; 90% are shallower than 876 ft.
How much does it cost to drill a well in and around Spearfish (57783)?
Applying published per-foot rates to the local median depth of 472 ft: drilling and casing alone typically runs $11,800–$30,680; a complete system including pump, pressure tank, and hookup typically runs $28,320–$47,200. Actual quotes depend on site access, geology, and casing requirements.
What is the static water level in and around Spearfish (57783)?
The median static water level is 290 ft below ground surface (middle half of wells: 144 ft–465 ft), from 29 measurements.
Drilled depth distribution
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Part of Lawrence County well records.
Method: medians computed from SD DANR records (SD DANR NR68 well completion reports, water wells only (monitoring, test-hole, geothermal-loop and dewatering records excluded); depths 0-5,000 ft), grouped by ZIP from the recorded address. Cost estimate applies published per-foot ranges to the local median depth — full methodology & sources.