⟁ Illinois Well Data field records · 2026 survey

Illinois Well Data › Vermilion County › Potomac (61865)

Potomac, IL (61865): well depth, water level & drilling cost

✓ 261 ISGS records · Vermilion County

132 ftmedian well depth
100 ft–178 fttypical depth range
—median static water level
30 gpmmedian yield (171 tests)

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How deep are wells in and around Potomac (61865), Illinois?

The median drilled well depth in and around Potomac (61865) is 132 ft, based on 260 wells with recorded depths in the state ISGS database. Half fall between 100 ft and 178 ft; 90% are shallower than 210 ft.

How much does it cost to drill a well in and around Potomac (61865)?

Applying published per-foot rates to the local median depth of 132 ft: drilling and casing alone typically runs $3,300–$8,580; a complete system including pump, pressure tank, and hookup typically runs $7,920–$13,200. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Potomac (61865)?

Few static water level measurements are recorded for this area.

Drilled depth distribution

0–50 ft 2 50–100 ft 58 100–150 ft 90 150–200 ft 75 200–300 ft 33 300–400 ft 2 400–600 ft 0 600+ ft 0
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Part of Vermilion 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.