Illinois Well Data › Jersey County
Jersey County, Illinois: well depth, yield & drilling cost
✓ 1,139 ISGS records · verified 2026-10-12
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How deep are wells in Jersey County, Illinois?
The median drilled well depth in Jersey County is 85 ft, based on 1,066 wells with recorded depths in the state ISGS database. Half of all wells fall between 48 ft and 130 ft; 90% are shallower than 254 ft. Wells drilled since 2016 have a median depth of 202 ft.
How much does it cost to drill a well in Jersey County?
Applying published per-foot rates to the local median depth of 85 ft: drilling and casing alone typically runs $2,125–$5,525; a complete system including pump, pressure tank, and hookup typically runs $5,100–$8,500. Actual quotes depend on site access, geology, and casing requirements.
What is the static water level in Jersey County?
Few static water level measurements are recorded for this county.
How much water do wells in Jersey County produce?
The median tested yield is 15 gpm (middle half: 5 gpm–60 gpm), from 281 pump tests. A typical household needs 5–10 gpm.
Drilled depth distribution
Who drills wells in Jersey 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 |
|---|---|
| Haake, Ralph | 5 |
| Beckett, Donald | 2 |
| Gebke, Randy | 1 |
| Dohrman, Dale Raymond | 1 |
| Gaza, John Edward | 1 |
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Well records by ZIP code in Jersey County
Median depth, water level, and yield for each ZIP code with recorded wells.
- Saint Francisville (62460) — 595 wells, median 84 ft
- Fieldon (62031) — 76 wells, median 104 ft
- Dow (62022) — 65 wells, median 50 ft
- Jerseyville (62052) — 57 wells, median 48 ft
- Grafton (62037) — 54 wells, median 139 ft
- Medora (62063) — 51 wells, median 41 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.