⟁ Illinois Well Data field records · 2026 survey

Illinois Well Data › Tazewell County › Delavan (61734)

Delavan, IL (61734): well depth, water level & drilling cost

✓ 184 ISGS records · Tazewell County

165 ftmedian well depth
124 ft–191 fttypical depth range
—median static water level
18 gpmmedian yield (127 tests)

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How deep are wells in and around Delavan (61734), Illinois?

The median drilled well depth in and around Delavan (61734) is 165 ft, based on 183 wells with recorded depths in the state ISGS database. Half fall between 124 ft and 191 ft; 90% are shallower than 213 ft.

How much does it cost to drill a well in and around Delavan (61734)?

Applying published per-foot rates to the local median depth of 165 ft: drilling and casing alone typically runs $4,125–$10,725; a complete system including pump, pressure tank, and hookup typically runs $9,900–$16,500. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Delavan (61734)?

Few static water level measurements are recorded for this area.

Drilled depth distribution

0–50 ft 2 50–100 ft 14 100–150 ft 56 150–200 ft 74 200–300 ft 36 300–400 ft 0 400–600 ft 1 600+ ft 0
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Part of Tazewell 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.