⟁ Illinois Well Data field records · 2026 survey

Illinois Well Data › Whiteside County › Rock Falls (61071)

Rock Falls, IL (61071): well depth, water level & drilling cost

✓ 788 ISGS records · Whiteside County

60 ftmedian well depth
26 ft–92 fttypical depth range
—median static water level
30 gpmmedian yield (426 tests)

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How deep are wells in and around Rock Falls (61071), Illinois?

The median drilled well depth in and around Rock Falls (61071) is 60 ft, based on 749 wells with recorded depths in the state ISGS database. Half fall between 26 ft and 92 ft; 90% are shallower than 115 ft.

How much does it cost to drill a well in and around Rock Falls (61071)?

Applying published per-foot rates to the local median depth of 60 ft: drilling and casing alone typically runs $1,500–$3,900; a complete system including pump, pressure tank, and hookup typically runs $3,600–$6,000. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Rock Falls (61071)?

Few static water level measurements are recorded for this area.

Drilled depth distribution

0–50 ft 315 50–100 ft 298 100–150 ft 102 150–200 ft 16 200–300 ft 3 300–400 ft 3 400–600 ft 4 600+ ft 8
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Part of Whiteside 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.