South Dakota Well Data › Bennett County

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

Name: Bennett County, South Dakota water well statistics
Creator: South Dakota Well Data
License: https://creativecommons.org/licenses/by/4.0/

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

140 ftmedian well depth

80 ft–239 fttypical depth range

35 ftmedian static water level

140 ftmedian depth since 2016

How deep are wells in Bennett County, South Dakota?

The median drilled well depth in Bennett County is 140 ft, based on 630 wells with recorded depths in the state SD DANR database. Half of all wells fall between 80 ft and 239 ft; 90% are shallower than 320 ft. Wells drilled since 2016 have a median depth of 140 ft.

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

Applying published per-foot rates to the local median depth of 140 ft: drilling and casing alone typically runs $3,500–$9,100; a complete system including pump, pressure tank, and hookup typically runs $8,400–$14,000. Actual quotes depend on site access, geology, and casing requirements.

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Drilled depth distribution

0–50 ft 26 50–100 ft 164 100–150 ft 148 150–200 ft 71 200–300 ft 132 300–400 ft 58 400–600 ft 30 600+ ft 1

Who drills wells in Bennett County?

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

Driller	Wells since 2016
FORSTER WELL DRILLING	83
WILD GOOSE WELL DRILLING	17
REIMERS WELL DRILLING	12
GROSCH IRRIGATION CO., INC.	9
ADAIR DRILLING	5
BILL FREW DRILLING	2
NELSON WELLS AND IRRIGATION LLC	2
BECK'S WELL & IRRIGATION, INC.	2

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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.