Illinois Well Data › Perry County
Perry County, Illinois: well depth, yield & drilling cost
✓ 634 ISGS records · verified 2026-10-12
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How deep are wells in Perry County, Illinois?
The median drilled well depth in Perry County is 47 ft, based on 624 wells with recorded depths in the state ISGS database. Half of all wells fall between 32 ft and 117 ft; 90% are shallower than 438 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 47 ft: drilling and casing alone typically runs $1,175–$3,055; a complete system including pump, pressure tank, and hookup typically runs $2,820–$4,700. Actual quotes depend on site access, geology, and casing requirements.
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–20 gpm), from 178 pump tests. A typical household needs 5–10 gpm.
Drilled depth distribution
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Well records by ZIP code in Perry County
Median depth, water level, and yield for each ZIP code with recorded wells.
- Pinckneyville (62274) — 223 wells, median 51 ft
- Cutler (62238) — 122 wells, median 87 ft
- Tamaroa (62888) — 95 wells, median 35 ft
- Willisville (62997) — 56 wells, median 290 ft
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.