⟁ Illinois Well Data field records · 2026 survey

Illinois Well Data › Winnebago County › Rockford (61101)

Rockford, IL (61101): well depth, water level & drilling cost

✓ 311 ISGS records · Winnebago County

122 ftmedian well depth
93 ft–181 fttypical depth range
—median static water level
12 gpmmedian yield (78 tests)

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How deep are wells in and around Rockford (61101), Illinois?

The median drilled well depth in and around Rockford (61101) is 122 ft, based on 298 wells with recorded depths in the state ISGS database. Half fall between 93 ft and 181 ft; 90% are shallower than 280 ft.

How much does it cost to drill a well in and around Rockford (61101)?

Applying published per-foot rates to the local median depth of 122 ft: drilling and casing alone typically runs $3,050–$7,930; a complete system including pump, pressure tank, and hookup typically runs $7,320–$12,200. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Rockford (61101)?

Few static water level measurements are recorded for this area.

Drilled depth distribution

0–50 ft 15 50–100 ft 74 100–150 ft 100 150–200 ft 43 200–300 ft 43 300–400 ft 4 400–600 ft 15 600+ ft 4
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Part of Winnebago 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.