⟁ South Dakota Well Data field records · 2026 survey

South Dakota Well Data › Pennington County › Rapid City (57702)

Rapid City, SD (57702): well depth, water level & drilling cost

✓ 433 SD DANR records · Pennington County

358 ftmedian well depth
160 ft–680 fttypical depth range
82 ftmedian static water level
—median yield (— tests)

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How deep are wells in and around Rapid City (57702), South Dakota?

The median drilled well depth in and around Rapid City (57702) is 358 ft, based on 433 wells with recorded depths in the state SD DANR database. Half fall between 160 ft and 680 ft; 90% are shallower than 954 ft.

How much does it cost to drill a well in and around Rapid City (57702)?

Applying published per-foot rates to the local median depth of 358 ft: drilling and casing alone typically runs $8,950–$23,270; a complete system including pump, pressure tank, and hookup typically runs $21,480–$35,800. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Rapid City (57702)?

The median static water level is 82 ft below ground surface (middle half of wells: 29 ft–453 ft), from 80 measurements.

Drilled depth distribution

0–50 ft 25 50–100 ft 25 100–150 ft 52 150–200 ft 26 200–300 ft 62 300–400 ft 40 400–600 ft 70 600+ ft 133
Looking at a specific property in Rapid City (57702)?

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Get quotes from drillers who work in Rapid City (57702)

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Part of Pennington 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.