⟁ Missouri Well Data field records · 2026 survey

Missouri Well Data › Dallas County

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

✓ 3,594 MoDNR records · verified 2026-08-21

305 ftmedian well depth
250 ft–365 fttypical depth range
92 ftmedian static water level
40 gpmmedian yield (3,404 tests)

How deep are wells in Dallas County, Missouri?

The median drilled well depth in Dallas County is 305 ft, based on 3,574 wells with recorded depths in the state MoDNR database. Half of all wells fall between 250 ft and 365 ft; 90% are shallower than 427 ft. Wells drilled since 2016 have a median depth of 350 ft.

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

Applying published per-foot rates to the local median depth of 350 ft: drilling and casing alone typically runs $8,750–$22,750; a complete system including pump, pressure tank, and hookup typically runs $21,000–$35,000. Actual quotes depend on site access, geology, and casing requirements.

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What is the static water level in Dallas County?

The median static water level is 92 ft below ground surface (middle half of wells: 70 ft–125 ft), from 3,348 measurements.

How much water do wells in Dallas County produce?

The median tested yield is 40 gpm (middle half: 30 gpm–50 gpm), from 3,404 pump tests. A typical household needs 5–10 gpm.

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Drilled depth distribution

0–50 ft 1 50–100 ft 1 100–150 ft 21 150–200 ft 151 200–300 ft 1,392 300–400 ft 1,410 400–600 ft 575 600+ ft 23

Who drills wells in Dallas 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
JEREMY MCCARTHY158
ALLEN WILLEY122
MARK REPLOGLE90
TIMOTHY STOKES48
GARY SPRADLING46
TIMOTHY GRABHER44
RYAN CHOATE43
NATHAN AARON WILSON25

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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.