⟁ Missouri Well Data field records · 2026 survey

Missouri Well Data › Jefferson County

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

✓ 7,383 MoDNR records · verified 2026-08-21

353 ftmedian well depth
265 ft–450 fttypical depth range
150 ftmedian static water level
30 gpmmedian yield (6,884 tests)

How deep are wells in Jefferson County, Missouri?

The median drilled well depth in Jefferson County is 353 ft, based on 7,181 wells with recorded depths in the state MoDNR database. Half of all wells fall between 265 ft and 450 ft; 90% are shallower than 546 ft. Wells drilled since 2016 have a median depth of 380 ft.

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

Applying published per-foot rates to the local median depth of 380 ft: drilling and casing alone typically runs $9,500–$24,700; a complete system including pump, pressure tank, and hookup typically runs $22,800–$38,000. Actual quotes depend on site access, geology, and casing requirements.

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What is the static water level in Jefferson County?

The median static water level is 150 ft below ground surface (middle half of wells: 98 ft–206 ft), from 6,535 measurements.

How much water do wells in Jefferson County produce?

The median tested yield is 30 gpm (middle half: 20 gpm–45 gpm), from 6,884 pump tests. A typical household needs 5–10 gpm.

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Drilled depth distribution

0–50 ft 4 50–100 ft 15 100–150 ft 161 150–200 ft 407 200–300 ft 1,786 300–400 ft 2,068 400–600 ft 2,311 600+ ft 429

Who drills wells in Jefferson 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
RON HEATH272
GERALD BUECHTING181
ALAN BURGESS179
JACOB BUECHTING128
JASON BOYCE122
ROBERT BUSSA49
DANIEL FLYNN48
DOMINIQUE DURBIN45

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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.