⟁ Illinois Well Data field records · 2026 survey

Illinois Well Data › Perry County

Perry County, Illinois: well depth, yield & drilling cost

✓ 550 ISGS records · verified 2026-08-20

45 ftmedian well depth
32 ft–117 fttypical depth range
8 gpmmedian yield (155 tests)

How deep are wells in Perry County, Illinois?

The median drilled well depth in Perry County is 45 ft, based on 545 wells with recorded depths in the state ISGS database. Half of all wells fall between 32 ft and 117 ft; 90% are shallower than 440 ft. Wells drilled since 2016 have a median depth of —.

How much does it cost to drill a well in Perry County?

Applying published per-foot rates to the local median depth of 45 ft: drilling and casing alone typically runs $1,125–$2,925; a complete system including pump, pressure tank, and hookup typically runs $2,700–$4,500. Actual quotes depend on site access, geology, and casing requirements.

Get quotes from drillers active in Perry County

Free for property owners. We route your request only to licensed drillers who actually file well logs in Perry County — never sold elsewhere.

What is the static water level in Perry County?

Few static water level measurements are recorded for this county.

How much water do wells in Perry County produce?

The median tested yield is 8 gpm (middle half: 3 gpm–25 gpm), from 155 pump tests. A typical household needs 5–10 gpm.

Pull every recorded well near a Perry County address — $29

Drilled depth distribution

0–50 ft 287 50–100 ft 98 100–150 ft 51 150–200 ft 16 200–300 ft 11 300–400 ft 13 400–600 ft 64 600+ ft 5
Looking at a specific property in Perry County?

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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). Cost estimate applies published per-foot ranges (checked 2026-06-11) to the local median depth — full methodology & sources.