⟁ South Dakota Well Data field records · 2026 survey

South Dakota Well Data › Dewey County › Timber Lake (57656)

Timber Lake, SD (57656): well depth, water level & drilling cost

✓ 197 SD DANR records · Dewey County

80 ftmedian well depth
68 ft–90 fttypical depth range
21 ftmedian static water level
—median yield (— tests)

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How deep are wells in and around Timber Lake (57656), South Dakota?

The median drilled well depth in and around Timber Lake (57656) is 80 ft, based on 197 wells with recorded depths in the state SD DANR database. Half fall between 68 ft and 90 ft; 90% are shallower than 103 ft.

How much does it cost to drill a well in and around Timber Lake (57656)?

Applying published per-foot rates to the local median depth of 80 ft: drilling and casing alone typically runs $2,000–$5,200; a complete system including pump, pressure tank, and hookup typically runs $4,800–$8,000. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Timber Lake (57656)?

The median static water level is 21 ft below ground surface (middle half of wells: 11 ft–28 ft), from 42 measurements.

Drilled depth distribution

0–50 ft 6 50–100 ft 164 100–150 ft 23 150–200 ft 1 200–300 ft 3 300–400 ft 0 400–600 ft 0 600+ ft 0
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Part of Dewey 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.