⟁ Illinois Well Data field records · 2026 survey

Illinois Well Data › Jasper County

Jasper County, Illinois: well depth, yield & drilling cost

✓ 1,112 ISGS records · verified 2026-08-20

40 ftmedian well depth
30 ft–76 fttypical depth range
7 gpmmedian yield (195 tests)

How deep are wells in Jasper County, Illinois?

The median drilled well depth in Jasper County is 40 ft, based on 1,103 wells with recorded depths in the state ISGS database. Half of all wells fall between 30 ft and 76 ft; 90% are shallower than 180 ft. Wells drilled since 2016 have a median depth of 87 ft.

How much does it cost to drill a well in Jasper County?

Applying published per-foot rates to the local median depth of 87 ft: drilling and casing alone typically runs $2,175–$5,655; a complete system including pump, pressure tank, and hookup typically runs $5,220–$8,700. Actual quotes depend on site access, geology, and casing requirements.

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What is the static water level in Jasper County?

Few static water level measurements are recorded for this county.

How much water do wells in Jasper County produce?

The median tested yield is 7 gpm (middle half: 2 gpm–20 gpm), from 195 pump tests. A typical household needs 5–10 gpm.

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Drilled depth distribution

0–50 ft 674 50–100 ft 211 100–150 ft 77 150–200 ft 44 200–300 ft 73 300–400 ft 16 400–600 ft 3 600+ ft 5

Who drills wells in Jasper County?

Companies and licensed drillers by number of wells logged in this county, per records filed with the Illinois State Geological Survey.

DrillerWells since 2016
Schmalfeldt, Todd12
Baker, J. Curtis2
Haake, Ralph2
Sloan, Thomas F.1
Jones, Gerald K.1
Hemmen, Jake1

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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.