⟁ Illinois Well Data field records · 2026 survey

Illinois Well Data › Iroquois County

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

✓ 2,416 ISGS records · verified 2026-08-20

140 ftmedian well depth
114 ft–175 fttypical depth range
20 gpmmedian yield (1,453 tests)

How deep are wells in Iroquois County, Illinois?

The median drilled well depth in Iroquois County is 140 ft, based on 2,379 wells with recorded depths in the state ISGS database. Half of all wells fall between 114 ft and 175 ft; 90% are shallower than 221 ft. Wells drilled since 2016 have a median depth of 134 ft.

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

Applying published per-foot rates to the local median depth of 134 ft: drilling and casing alone typically runs $3,350–$8,710; a complete system including pump, pressure tank, and hookup typically runs $8,040–$13,400. Actual quotes depend on site access, geology, and casing requirements.

Get quotes from drillers active in Iroquois County

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

What is the static water level in Iroquois County?

Few static water level measurements are recorded for this county.

How much water do wells in Iroquois County produce?

The median tested yield is 20 gpm (middle half: 15 gpm–30 gpm), from 1,453 pump tests. A typical household needs 5–10 gpm.

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

Drilled depth distribution

0–50 ft 40 50–100 ft 290 100–150 ft 1,069 150–200 ft 575 200–300 ft 335 300–400 ft 36 400–600 ft 24 600+ ft 10

Who drills wells in Iroquois 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
Reiners, Lynn205
Beck, Harold F. Jr.14
Findlay Bros. Well Drilling12
Albrecht, Harold Dean2
Will County Well & Pump1
Zbinden, Daniel B.1
Roe, Ronald1
Rick Ortman1

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

Get quotes from local drillers

Looking at a specific property in Iroquois 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.