Illinois Well Data › Clark County
Clark County, Illinois: well depth, yield & drilling cost
✓ 1,151 ISGS records · verified 2026-08-20
How deep are wells in Clark County, Illinois?
The median drilled well depth in Clark County is 65 ft, based on 1,132 wells with recorded depths in the state ISGS database. Half of all wells fall between 48 ft and 100 ft; 90% are shallower than 139 ft. Wells drilled since 2016 have a median depth of 54 ft.
How much does it cost to drill a well in Clark County?
Applying published per-foot rates to the local median depth of 54 ft: drilling and casing alone typically runs $1,350–$3,510; a complete system including pump, pressure tank, and hookup typically runs $3,240–$5,400. Actual quotes depend on site access, geology, and casing requirements.
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What is the static water level in Clark County?
Few static water level measurements are recorded for this county.
How much water do wells in Clark County produce?
The median tested yield is 10 gpm (middle half: 4 gpm–20 gpm), from 448 pump tests. A typical household needs 5–10 gpm.
Pull every recorded well near a Clark County address — $29
Drilled depth distribution
Who drills wells in Clark County?
Companies and licensed drillers by number of wells logged in this county, per records filed with the Illinois State Geological Survey.
| Driller | Wells since 2016 |
|---|---|
| Skinner, Todd | 7 |
| Brandon Reavill | 4 |
| Mumma, Richard | 2 |
| Speth, James | 1 |
| Erwin, James R. | 1 |
| Durbin, Dominique | 1 |
| Findlay Bros. Well Drilling | 1 |
| Baker, J. Curtis | 1 |
See every driller with wells on record in Clark County, ranked →
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See every recorded well near any address — depths, water levels, yields, original driller's logs — in a one-time report.
Free lookup Property report — $29Method: 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.