⟁ Illinois Well Data field records · 2026 survey

Illinois Well Data › Massac County

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

✓ 1,092 ISGS records · verified 2026-10-12

110 ftmedian well depth
70 ft–200 fttypical depth range
12 gpmmedian yield (505 tests)

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How deep are wells in Massac County, Illinois?

The median drilled well depth in Massac County is 110 ft, based on 1,083 wells with recorded depths in the state ISGS database. Half of all wells fall between 70 ft and 200 ft; 90% are shallower than 290 ft. Wells drilled since 2016 have a median depth of 82 ft.

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

Applying published per-foot rates to the local median depth of 110 ft: drilling and casing alone typically runs $2,750–$7,150; a complete system including pump, pressure tank, and hookup typically runs $6,600–$11,000. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in Massac County?

Few static water level measurements are recorded for this county.

How much water do wells in Massac County produce?

The median tested yield is 12 gpm (middle half: 10 gpm–30 gpm), from 505 pump tests. A typical household needs 5–10 gpm.

Drilled depth distribution

0–50 ft 115 50–100 ft 348 100–150 ft 196 150–200 ft 146 200–300 ft 175 300–400 ft 55 400–600 ft 35 600+ ft 13

Who drills wells in Massac 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
Schmalfeldt, Todd20
Beanland, Glen11
Beanland, Leonard Ralph11
Horman, Paul5
Scates, Thomas L.2
Beanland, John R.2
Gregory Horman1
Kelly, Timothy1

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Well records by ZIP code in Massac County

Median depth, water level, and yield for each ZIP code with recorded wells.

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.