Missouri Well Data › Oregon County
Oregon County, Missouri: well depth, water level & drilling cost
✓ 1,632 MoDNR records · verified 2026-10-12
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How deep are wells in Oregon County, Missouri?
The median drilled well depth in Oregon County is 330 ft, based on 1,600 wells with recorded depths in the state MoDNR database. Half of all wells fall between 260 ft and 410 ft; 90% are shallower than 476 ft. Wells drilled since 2016 have a median depth of 333 ft.
How much does it cost to drill a well in Oregon County?
Applying published per-foot rates to the local median depth of 333 ft: drilling and casing alone typically runs $8,325–$21,645; a complete system including pump, pressure tank, and hookup typically runs $19,980–$33,300. Actual quotes depend on site access, geology, and casing requirements.
What is the static water level in Oregon County?
The median static water level is 120 ft below ground surface (middle half of wells: 80 ft–180 ft), from 1,360 measurements.
How much water do wells in Oregon County produce?
The median tested yield is 20 gpm (middle half: 15 gpm–30 gpm), from 1,486 pump tests. A typical household needs 5–10 gpm.
Drilled depth distribution
Who drills wells in Oregon 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 |
|---|---|
| LUKE WOOLSEY | 151 |
| DAVID TRENT | 107 |
| CLINTON MAHAN | 16 |
| MICHAEL WOOLSEY | 16 |
| CURTIS HARGROVE | 10 |
| RANDY FOSTER | 9 |
| SEAMAN MAHAN | 4 |
| CURTIS SANDERS | 3 |
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Well records by ZIP code in Oregon County
Median depth, water level, and yield for each ZIP code with recorded wells.
- Alton (65606) — 441 wells, median 345 ft
- Thayer (65791) — 335 wells, median 295 ft
- Koshkonong (65692) — 237 wells, median 340 ft
- Couch (65690) — 217 wells, median 313 ft
- Myrtle (65778) — 127 wells, median 330 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.