Illinois Well Data › Brown County
Brown County, Illinois: well depth, yield & drilling cost
✓ 152 ISGS records · verified 2026-10-12
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How deep are wells in Brown County, Illinois?
The median drilled well depth in Brown County is 195 ft, based on 149 wells with recorded depths in the state ISGS database. Half of all wells fall between 44 ft and 364 ft; 90% are shallower than 426 ft. Wells drilled since 2016 have a median depth of 66 ft.
How much does it cost to drill a well in Brown County?
Applying published per-foot rates to the local median depth of 195 ft: drilling and casing alone typically runs $4,875–$12,675; a complete system including pump, pressure tank, and hookup typically runs $11,700–$19,500. Actual quotes depend on site access, geology, and casing requirements.
What is the static water level in Brown County?
Few static water level measurements are recorded for this county.
How much water do wells in Brown County produce?
The median tested yield is 8 gpm (middle half: 5 gpm–13 gpm), from 23 pump tests. A typical household needs 5–10 gpm.
Drilled depth distribution
Who drills wells in Brown 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 |
|---|---|
| Allen, Joseph | 1 |
| Berg Well & Pump | 1 |
| Wiesenhofer, Andrew | 1 |
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Well records by ZIP code in Brown County
Median depth, water level, and yield for each ZIP code with recorded wells.
- Mount Sterling (62353) — 58 wells, median 156 ft
Method: 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.