South Dakota Well Data › Ziebach County

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

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

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

155 ftmedian well depth

102 ft–200 fttypical depth range

22 ftmedian static water level

120 ftmedian depth since 2016

How deep are wells in Ziebach County, South Dakota?

The median drilled well depth in Ziebach County is 155 ft, based on 390 wells with recorded depths in the state SD DANR database. Half of all wells fall between 102 ft and 200 ft; 90% are shallower than 301 ft. Wells drilled since 2016 have a median depth of 120 ft.

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

Applying published per-foot rates to the local median depth of 120 ft: drilling and casing alone typically runs $3,000–$7,800; a complete system including pump, pressure tank, and hookup typically runs $7,200–$12,000. Actual quotes depend on site access, geology, and casing requirements.

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Drilled depth distribution

0–50 ft 49 50–100 ft 40 100–150 ft 81 150–200 ft 94 200–300 ft 79 300–400 ft 16 400–600 ft 2 600+ ft 29

Who drills wells in Ziebach County?

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

Driller	Wells since 2016
GREGG'S DRILLING & EXCAVATING	23
MATHESON DRILLING, INC.	11
KELLER DRILLING	6
PESICKA'S DRILLING	2
KNUTSON WELL DRILLING, INC.	2
FOX & GINSBACK WELL DRILLING SERVICE	1
VENEKAMP DRILLING	1

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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.