⟁ Illinois Well Data field records · 2026 survey

Illinois Well Data › Knox County › Galesburg (61401)

Galesburg, IL (61401): well depth, water level & drilling cost

✓ 67 ISGS records · Knox County

100 ftmedian well depth
84 ft–129 fttypical depth range
—median static water level
10 gpmmedian yield (48 tests)

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How deep are wells in and around Galesburg (61401), Illinois?

The median drilled well depth in and around Galesburg (61401) is 100 ft, based on 62 wells with recorded depths in the state ISGS database. Half fall between 84 ft and 129 ft; 90% are shallower than 196 ft.

How much does it cost to drill a well in and around Galesburg (61401)?

Applying published per-foot rates to the local median depth of 100 ft: drilling and casing alone typically runs $2,500–$6,500; a complete system including pump, pressure tank, and hookup typically runs $6,000–$10,000. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Galesburg (61401)?

Few static water level measurements are recorded for this area.

Drilled depth distribution

0–50 ft 2 50–100 ft 22 100–150 ft 28 150–200 ft 3 200–300 ft 4 300–400 ft 1 400–600 ft 0 600+ ft 2
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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.