⟁ Illinois Well Data field records · 2026 survey

Illinois Well Data › Randolph County

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

✓ 2,199 ISGS records · verified 2026-08-20

72 ftmedian well depth
37 ft–223 fttypical depth range
15 gpmmedian yield (668 tests)

How deep are wells in Randolph County, Illinois?

The median drilled well depth in Randolph County is 72 ft, based on 2,171 wells with recorded depths in the state ISGS database. Half of all wells fall between 37 ft and 223 ft; 90% are shallower than 319 ft. Wells drilled since 2016 have a median depth of 150 ft.

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

Applying published per-foot rates to the local median depth of 150 ft: drilling and casing alone typically runs $3,750–$9,750; a complete system including pump, pressure tank, and hookup typically runs $9,000–$15,000. Actual quotes depend on site access, geology, and casing requirements.

Get quotes from drillers active in Randolph County

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

What is the static water level in Randolph County?

Few static water level measurements are recorded for this county.

How much water do wells in Randolph County produce?

The median tested yield is 15 gpm (middle half: 5 gpm–30 gpm), from 668 pump tests. A typical household needs 5–10 gpm.

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

Drilled depth distribution

0–50 ft 864 50–100 ft 345 100–150 ft 190 150–200 ft 138 200–300 ft 345 300–400 ft 205 400–600 ft 73 600+ ft 11

Who drills wells in Randolph County?

Companies and licensed drillers by number of wells logged in this county, per records filed with the Illinois State Geological Survey.

DrillerWells since 2016
Haake, Ralph27
Harriss, Chuck20
Gebke, Randy10
Beckett, Donald5
Ray Mueller5
Dohrman, Dale Raymond3
Greg A. Evans3
Durbin, Dominique2

See every driller with wells on record in Randolph County, ranked →

Get quotes from local drillers

Looking at a specific property in Randolph County?

See every recorded well near any address — depths, water levels, yields, original driller's logs — in a one-time report.

Free lookup Property report — $29

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.