⟁ Illinois Well Data field records · 2026 survey

Illinois Well Data › Alexander County › Thebes (62990)

Thebes, IL (62990): well depth, water level & drilling cost

✓ 60 ISGS records · Alexander County

240 ftmedian well depth
145 ft–300 fttypical depth range
—median static water level
10 gpmmedian yield (26 tests)

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How deep are wells in and around Thebes (62990), Illinois?

The median drilled well depth in and around Thebes (62990) is 240 ft, based on 58 wells with recorded depths in the state ISGS database. Half fall between 145 ft and 300 ft; 90% are shallower than 416 ft.

How much does it cost to drill a well in and around Thebes (62990)?

Applying published per-foot rates to the local median depth of 240 ft: drilling and casing alone typically runs $6,000–$15,600; a complete system including pump, pressure tank, and hookup typically runs $14,400–$24,000. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Thebes (62990)?

Few static water level measurements are recorded for this area.

Drilled depth distribution

0–50 ft 4 50–100 ft 3 100–150 ft 11 150–200 ft 7 200–300 ft 16 300–400 ft 10 400–600 ft 4 600+ ft 3
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Part of Alexander 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.