⟁ Illinois Well Data field records · 2026 survey

Illinois Well Data › Cumberland County › Janesville (62435)

Janesville, IL (62435): well depth, water level & drilling cost

✓ 96 ISGS records · Cumberland County

66 ftmedian well depth
39 ft–155 fttypical depth range
—median static water level
6 gpmmedian yield (31 tests)

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How deep are wells in and around Janesville (62435), Illinois?

The median drilled well depth in and around Janesville (62435) is 66 ft, based on 94 wells with recorded depths in the state ISGS database. Half fall between 39 ft and 155 ft; 90% are shallower than 222 ft.

How much does it cost to drill a well in and around Janesville (62435)?

Applying published per-foot rates to the local median depth of 66 ft: drilling and casing alone typically runs $1,650–$4,290; a complete system including pump, pressure tank, and hookup typically runs $3,960–$6,600. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Janesville (62435)?

Few static water level measurements are recorded for this area.

Drilled depth distribution

0–50 ft 40 50–100 ft 20 100–150 ft 7 150–200 ft 15 200–300 ft 7 300–400 ft 2 400–600 ft 3 600+ ft 0
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Part of Cumberland 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.