Missouri Well Data › Mercer County
Mercer County, Missouri: well depth, water level & drilling cost
✓ 22 MoDNR records · verified 2026-08-21
How deep are wells in Mercer County, Missouri?
The median drilled well depth in Mercer County is 68 ft, based on 22 wells with recorded depths in the state MoDNR database. Half of all wells fall between 48 ft and 83 ft; 90% are shallower than 138 ft. Wells drilled since 2016 have a median depth of 90 ft.
How much does it cost to drill a well in Mercer County?
Applying published per-foot rates to the local median depth of 90 ft: drilling and casing alone typically runs $2,250–$5,850; a complete system including pump, pressure tank, and hookup typically runs $5,400–$9,000. Actual quotes depend on site access, geology, and casing requirements.
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What is the static water level in Mercer County?
The median static water level is 19 ft below ground surface (middle half of wells: 12 ft–30 ft), from 17 measurements.
How much water do wells in Mercer County produce?
The median tested yield is 10 gpm (middle half: 3 gpm–75 gpm), from 19 pump tests. A typical household needs 5–10 gpm.
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Drilled depth distribution
Who drills wells in Mercer 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.
| Driller | Wells since 2016 |
|---|---|
| MATTY YOAKUM | 2 |
| MARK FINCH | 1 |
| RYAN EICKHOFF | 1 |
See every driller with wells on record in Mercer County, ranked →
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Free lookup Property report — $29Method: 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.