Illinois Well Data › Henry County
Henry County, Illinois: well depth, yield & drilling cost
✓ 2,795 ISGS records · verified 2026-10-12
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How deep are wells in Henry County, Illinois?
The median drilled well depth in Henry County is 275 ft, based on 2,745 wells with recorded depths in the state ISGS database. Half of all wells fall between 160 ft and 451 ft; 90% are shallower than 535 ft. Wells drilled since 2016 have a median depth of 350 ft.
How much does it cost to drill a well in Henry County?
Applying published per-foot rates to the local median depth of 350 ft: drilling and casing alone typically runs $8,750–$22,750; a complete system including pump, pressure tank, and hookup typically runs $21,000–$35,000. Actual quotes depend on site access, geology, and casing requirements.
What is the static water level in Henry County?
Few static water level measurements are recorded for this county.
How much water do wells in Henry County produce?
The median tested yield is 20 gpm (middle half: 15 gpm–30 gpm), from 1,504 pump tests. A typical household needs 5–10 gpm.
Drilled depth distribution
Who drills wells in Henry 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 |
|---|---|
| Stoll, Austen | 39 |
| Allen, Joseph | 36 |
| Gelement, Val | 33 |
| Gingerich, Corwin | 30 |
| Dana, Glen | 18 |
| Albrecht, Harold Dean | 17 |
| White, Matt | 13 |
| Harvey, Lucius | 8 |
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Well records by ZIP code in Henry County
Median depth, water level, and yield for each ZIP code with recorded wells.
- Colona (61241) — 481 wells, median 180 ft
- Geneseo (61254) — 474 wells, median 200 ft
- Kewanee (61443) — 239 wells, median 425 ft
- Orion (61273) — 194 wells, median 403 ft
- Hooppole (61258) — 178 wells, median 142 ft
- Cambridge (61238) — 158 wells, median 475 ft
- Atkinson (61235) — 158 wells, median 279 ft
- Osco (61274) — 112 wells, median 431 ft
- Annawan (61234) — 104 wells, median 215 ft
- Bishop Hill (61419) — 100 wells, median 495 ft
- Woodhull (61490) — 82 wells, median 504 ft
- Andover (61233) — 77 wells, median 467 ft
- Ophiem (61468) — 73 wells, median 415 ft
- Galva (61434) — 56 wells, median 585 ft
- Lynn Center (61262) — 54 wells, median 442 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.