South Dakota Well Data › Yankton County

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

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

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

123 ftmedian well depth

75 ft–236 fttypical depth range

32 ftmedian static water level

133 ftmedian depth since 2016

How deep are wells in Yankton County, South Dakota?

The median drilled well depth in Yankton County is 123 ft, based on 796 wells with recorded depths in the state SD DANR database. Half of all wells fall between 75 ft and 236 ft; 90% are shallower than 522 ft. Wells drilled since 2016 have a median depth of 133 ft.

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

Applying published per-foot rates to the local median depth of 133 ft: drilling and casing alone typically runs $3,325–$8,645; a complete system including pump, pressure tank, and hookup typically runs $7,980–$13,300. Actual quotes depend on site access, geology, and casing requirements.

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Drilled depth distribution

0–50 ft 108 50–100 ft 178 100–150 ft 160 150–200 ft 90 200–300 ft 123 300–400 ft 25 400–600 ft 55 600+ ft 57

Who drills wells in Yankton County?

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

Driller	Wells since 2016
QUALITY WELL SERVICE LLC	38
THEIN WELL COMPANY, INC.	25
CHRISTENSEN WELL & IRRIGATION,	18
4 Boys TT, LLC DBA HEINE ELECTRIC & IRRIGATION	17
SAM WELL COMPANY	11
MARION WELL DRILLING	4
DAVE PUTZKE WELL DRILLING, INC.	4
STRETCH'S WELL SERVICE, INC.	3

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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.