⟁ Illinois Well Data field records · 2026 survey

Illinois Well Data › Knox County › Galesburg (61402)

Galesburg, IL (61402): well depth, water level & drilling cost

✓ 102 ISGS records · Knox County

101 ftmedian well depth
80 ft–180 fttypical depth range
—median static water level
15 gpmmedian yield (48 tests)

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How deep are wells in and around Galesburg (61402), Illinois?

The median drilled well depth in and around Galesburg (61402) is 101 ft, based on 100 wells with recorded depths in the state ISGS database. Half fall between 80 ft and 180 ft; 90% are shallower than 1,216 ft.

How much does it cost to drill a well in and around Galesburg (61402)?

Applying published per-foot rates to the local median depth of 101 ft: drilling and casing alone typically runs $2,525–$6,565; a complete system including pump, pressure tank, and hookup typically runs $6,060–$10,100. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Galesburg (61402)?

Few static water level measurements are recorded for this area.

Drilled depth distribution

0–50 ft 6 50–100 ft 40 100–150 ft 21 150–200 ft 10 200–300 ft 4 300–400 ft 3 400–600 ft 3 600+ ft 13
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Part of Knox County well records.

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), grouped by ZIP from the recorded address. Cost estimate applies published per-foot ranges to the local median depth — full methodology & sources.