⟁ Missouri Well Data field records · 2026 survey

Missouri Well Data › Clay County

Clay County, Missouri: well depth, water level & drilling cost

✓ 155 MoDNR records · verified 2026-10-12

100 ftmedian well depth
73 ft–140 fttypical depth range
26 ftmedian static water level
20 gpmmedian yield (115 tests)

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How deep are wells in Clay County, Missouri?

The median drilled well depth in Clay County is 100 ft, based on 151 wells with recorded depths in the state MoDNR database. Half of all wells fall between 73 ft and 140 ft; 90% are shallower than 308 ft. Wells drilled since 2016 have a median depth of 82 ft.

How much does it cost to drill a well in Clay 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.

What is the static water level in Clay County?

The median static water level is 26 ft below ground surface (middle half of wells: 16 ft–44 ft), from 114 measurements.

How much water do wells in Clay County produce?

The median tested yield is 20 gpm (middle half: 4 gpm–750 gpm), from 115 pump tests. A typical household needs 5–10 gpm.

Drilled depth distribution

0–50 ft 13 50–100 ft 50 100–150 ft 56 150–200 ft 11 200–300 ft 5 300–400 ft 3 400–600 ft 7 600+ ft 6

Who drills wells in Clay County?

Drillers by number of wells certified in this county, per well certification records filed with the Missouri Geological Survey. Missouri licenses individual drillers rather than companies, so these are the people who signed the certification.

DrillerWells since 2016
MARK FINCH5
JESSE YOAKUM4
MATTY YOAKUM3
JOHN VON HOLT2
DARIN DUNCAN2
JARED SISK2
SCOTT EVANS1
RYAN EICKHOFF1

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Method: medians computed from MoDNR records (MoDNR certified water wells; depths 0-5,000 ft, with the file's 99999.9 and 88888 sentinel values excluded rather than clamped). Cost estimate applies published per-foot ranges (checked 2026-06-11) to the local median depth — full methodology & sources.