⟁ Illinois Well Data field records · 2026 survey

Illinois Well Data › Putnam County › Hennepin (61327)

Hennepin, IL (61327): well depth, water level & drilling cost

✓ 138 ISGS records · Putnam County

164 ftmedian well depth
118 ft–231 fttypical depth range
—median static water level
15 gpmmedian yield (116 tests)

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How deep are wells in and around Hennepin (61327), Illinois?

The median drilled well depth in and around Hennepin (61327) is 164 ft, based on 137 wells with recorded depths in the state ISGS database. Half fall between 118 ft and 231 ft; 90% are shallower than 279 ft.

How much does it cost to drill a well in and around Hennepin (61327)?

Applying published per-foot rates to the local median depth of 164 ft: drilling and casing alone typically runs $4,100–$10,660; a complete system including pump, pressure tank, and hookup typically runs $9,840–$16,400. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Hennepin (61327)?

Few static water level measurements are recorded for this area.

Drilled depth distribution

0–50 ft 1 50–100 ft 18 100–150 ft 44 150–200 ft 22 200–300 ft 45 300–400 ft 6 400–600 ft 0 600+ ft 1
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Part of Putnam 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.