⟁ Illinois Well Data field records · 2026 survey

Illinois Well Data › Rock Island County › Coal Valley (61240)

Coal Valley, IL (61240): well depth, water level & drilling cost

✓ 486 ISGS records · Rock Island County

304 ftmedian well depth
165 ft–395 fttypical depth range
—median static water level
25 gpmmedian yield (248 tests)

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How deep are wells in and around Coal Valley (61240), Illinois?

The median drilled well depth in and around Coal Valley (61240) is 304 ft, based on 477 wells with recorded depths in the state ISGS database. Half fall between 165 ft and 395 ft; 90% are shallower than 450 ft.

How much does it cost to drill a well in and around Coal Valley (61240)?

Applying published per-foot rates to the local median depth of 304 ft: drilling and casing alone typically runs $7,600–$19,760; a complete system including pump, pressure tank, and hookup typically runs $18,240–$30,400. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Coal Valley (61240)?

Few static water level measurements are recorded for this area.

Drilled depth distribution

0–50 ft 0 50–100 ft 20 100–150 ft 63 150–200 ft 96 200–300 ft 50 300–400 ft 142 400–600 ft 104 600+ ft 2
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Part of Rock Island 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.