Missouri Well Data › Madison County
Madison County, Missouri: well depth, water level & drilling cost
✓ 1,347 MoDNR records · verified 2026-10-12
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How deep are wells in Madison County, Missouri?
The median drilled well depth in Madison County is 300 ft, based on 1,309 wells with recorded depths in the state MoDNR database. Half of all wells fall between 207 ft and 390 ft; 90% are shallower than 505 ft. Wells drilled since 2016 have a median depth of 310 ft.
How much does it cost to drill a well in Madison County?
Applying published per-foot rates to the local median depth of 310 ft: drilling and casing alone typically runs $7,750–$20,150; a complete system including pump, pressure tank, and hookup typically runs $18,600–$31,000. Actual quotes depend on site access, geology, and casing requirements.
What is the static water level in Madison County?
The median static water level is 40 ft below ground surface (middle half of wells: 20 ft–80 ft), from 835 measurements.
How much water do wells in Madison County produce?
The median tested yield is 15 gpm (middle half: 8 gpm–30 gpm), from 1,204 pump tests. A typical household needs 5–10 gpm.
Drilled depth distribution
Who drills wells in Madison 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 |
|---|---|
| SAM TRIPP | 79 |
| SHANE CRITES | 60 |
| FELIX EYE | 25 |
| STEVE TURNBEAUGH | 23 |
| GEORGE MANN | 22 |
| WILLIAM WARD | 13 |
| CHRIS MCCLANAHAND | 7 |
| ADAM MORTON | 6 |
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Well records by ZIP code in Madison County
Median depth, water level, and yield for each ZIP code with recorded wells.
- Fredericktown (63645) — 589 wells, median 310 ft
- Marquand (63655) — 202 wells, median 247 ft
- Cascade (63632) — 156 wells, median 230 ft
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.