⟁ Illinois Well Data field records · 2026 survey

Illinois Well Data › Winnebago County › Rockford (61109)

Rockford, IL (61109): well depth, water level & drilling cost

✓ 1,620 ISGS records · Winnebago County

148 ftmedian well depth
92 ft–195 fttypical depth range
—median static water level
10 gpmmedian yield (1,119 tests)

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How deep are wells in and around Rockford (61109), Illinois?

The median drilled well depth in and around Rockford (61109) is 148 ft, based on 1,582 wells with recorded depths in the state ISGS database. Half fall between 92 ft and 195 ft; 90% are shallower than 245 ft.

How much does it cost to drill a well in and around Rockford (61109)?

Applying published per-foot rates to the local median depth of 148 ft: drilling and casing alone typically runs $3,700–$9,620; a complete system including pump, pressure tank, and hookup typically runs $8,880–$14,800. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Rockford (61109)?

Few static water level measurements are recorded for this area.

Drilled depth distribution

0–50 ft 97 50–100 ft 338 100–150 ft 361 150–200 ft 404 200–300 ft 315 300–400 ft 45 400–600 ft 7 600+ ft 15
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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.