Illinois Well Data › Gallatin County
Gallatin County, Illinois: well depth, yield & drilling cost
✓ 601 ISGS records · verified 2026-08-20
How deep are wells in Gallatin County, Illinois?
The median drilled well depth in Gallatin County is 90 ft, based on 596 wells with recorded depths in the state ISGS database. Half of all wells fall between 75 ft and 120 ft; 90% are shallower than 162 ft. Wells drilled since 2016 have a median depth of 79 ft.
How much does it cost to drill a well in Gallatin County?
Applying published per-foot rates to the local median depth of 79 ft: drilling and casing alone typically runs $1,975–$5,135; a complete system including pump, pressure tank, and hookup typically runs $4,740–$7,900. Actual quotes depend on site access, geology, and casing requirements.
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What is the static water level in Gallatin County?
Few static water level measurements are recorded for this county.
How much water do wells in Gallatin County produce?
The median tested yield is 42 gpm (middle half: 10 gpm–800 gpm), from 284 pump tests. A typical household needs 5–10 gpm.
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Drilled depth distribution
Who drills wells in Gallatin County?
Companies and licensed drillers by number of wells logged in this county, per records filed with the Illinois State Geological Survey.
| Driller | Wells since 2016 |
|---|---|
| Scates, Thomas L. | 20 |
| Scates, Stephen T. | 9 |
| Beanland, Glen | 7 |
| Stinson, Larry | 2 |
| Goebel, Joseph Louis | 2 |
| Beanland, Leonard Ralph | 2 |
| Kelly, Timothy | 2 |
| Dee Drilling Co., Inc. | 1 |
See every driller with wells on record in Gallatin County, ranked →
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Free lookup Property report — $29Method: medians computed from ISGS records (ISGS water wells; engineering, mineral and stratigraphic test borings, mine shafts, outcrops and monitoring wells are excluded, as are wells the survey records as plugged; depths 0-5,000 ft). Cost estimate applies published per-foot ranges (checked 2026-06-11) to the local median depth — full methodology & sources.