Illinois Well Data › Mcdonough County
Mcdonough County, Illinois: well depth, yield & drilling cost
✓ 1,321 ISGS records · verified 2026-10-12
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How deep are wells in Mcdonough County, Illinois?
The median drilled well depth in Mcdonough County is 220 ft, based on 1,304 wells with recorded depths in the state ISGS database. Half of all wells fall between 87 ft and 315 ft; 90% are shallower than 369 ft. Wells drilled since 2016 have a median depth of 375 ft.
How much does it cost to drill a well in Mcdonough County?
Applying published per-foot rates to the local median depth of 220 ft: drilling and casing alone typically runs $5,500–$14,300; a complete system including pump, pressure tank, and hookup typically runs $13,200–$22,000. Actual quotes depend on site access, geology, and casing requirements.
What is the static water level in Mcdonough County?
Few static water level measurements are recorded for this county.
How much water do wells in Mcdonough County produce?
The median tested yield is 10 gpm (middle half: 5 gpm–20 gpm), from 902 pump tests. A typical household needs 5–10 gpm.
Drilled depth distribution
Who drills wells in Mcdonough 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 | 5 |
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Well records by ZIP code in Mcdonough County
Median depth, water level, and yield for each ZIP code with recorded wells.
- Macomb (61455) — 297 wells, median 285 ft
- Colchester (62326) — 252 wells, median 245 ft
- Tennessee (62374) — 129 wells, median 165 ft
- Industry (61440) — 127 wells, median 280 ft
- Sciota (61475) — 87 wells, median 169 ft
- Prairie City (61470) — 84 wells, median 140 ft
- Blandinsville (61420) — 83 wells, median 160 ft
- Good Hope (61438) — 77 wells, median 91 ft
- Bardolph (61416) — 63 wells, median 92 ft
- Bushnell (61422) — 59 wells, median 220 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.