⟁ South Dakota Well Data field records · 2026 survey

South Dakota Well Data › Oglala Lakota County

Oglala Lakota County, South Dakota: well depth, water level & drilling cost

✓ 92 SD DANR records · verified 2026-08-24

90 ftmedian well depth
45 ft–283 fttypical depth range
90 ftmedian static water level
100 ftmedian depth since 2016

How deep are wells in Oglala Lakota County, South Dakota?

The median drilled well depth in Oglala Lakota County is 90 ft, based on 92 wells with recorded depths in the state SD DANR database. Half of all wells fall between 45 ft and 283 ft; 90% are shallower than 396 ft. Wells drilled since 2016 have a median depth of 100 ft.

How much does it cost to drill a well in Oglala Lakota County?

Applying published per-foot rates to the local median depth of 100 ft: drilling and casing alone typically runs $2,500–$6,500; a complete system including pump, pressure tank, and hookup typically runs $6,000–$10,000. Actual quotes depend on site access, geology, and casing requirements.

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Drilled depth distribution

0–50 ft 27 50–100 ft 19 100–150 ft 9 150–200 ft 4 200–300 ft 12 300–400 ft 13 400–600 ft 7 600+ ft 1

Who drills wells in Oglala Lakota County?

Companies by number of wells completed in this county, per the completion reports South Dakota drillers file with DANR.

DrillerWells since 2016
FORSTER WELL DRILLING33
GEO ENTERPRISES INC18
WILD GOOSE WELL DRILLING14
AMERICAN ENGINEERING TESTING,INC.5
ADAIR DRILLING3
RAPID DRILLING LLC2
TEFERTILLER DRILLING2
RCS CONSTRUCTION1

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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). Cost estimate applies published per-foot ranges (checked 2026-06-11) to the local median depth — full methodology & sources.