⟁ South Dakota Well Data field records · 2026 survey

South Dakota Well Data › Custer County › Custer (57730)

Custer, SD (57730): well depth, water level & drilling cost

✓ 233 SD DANR records · Custer County

165 ftmedian well depth
120 ft–240 fttypical depth range
42 ftmedian static water level
—median yield (— tests)

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How deep are wells in and around Custer (57730), South Dakota?

The median drilled well depth in and around Custer (57730) is 165 ft, based on 233 wells with recorded depths in the state SD DANR database. Half fall between 120 ft and 240 ft; 90% are shallower than 365 ft.

How much does it cost to drill a well in and around Custer (57730)?

Applying published per-foot rates to the local median depth of 165 ft: drilling and casing alone typically runs $4,125–$10,725; a complete system including pump, pressure tank, and hookup typically runs $9,900–$16,500. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Custer (57730)?

The median static water level is 42 ft below ground surface (middle half of wells: 25 ft–60 ft), from 29 measurements.

Drilled depth distribution

0–50 ft 15 50–100 ft 19 100–150 ft 63 150–200 ft 46 200–300 ft 60 300–400 ft 9 400–600 ft 13 600+ ft 8
Looking at a specific property in Custer (57730)?

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Part of Custer 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.