⟁ Wisconsin Well Data field records · 2026 survey

Wisconsin Well Data › Grant County

Grant County, Wisconsin: well depth, water level & drilling cost

✓ 7,413 WI DNR records · verified 2026-06-30

240 ftmedian well depth
145 ft–325 fttypical depth range
134 ftmedian static water level
15 gpmmedian yield (3,455 tests)

How deep are wells in Grant County, Wisconsin?

The median drilled well depth in Grant County is 240 ft, based on 3,572 wells with recorded depths in the state WI DNR database. Half of all wells fall between 145 ft and 325 ft; 90% are shallower than 400 ft. Wells drilled since 2016 have a median depth of 262 ft.

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

Applying published per-foot rates to the local median depth of 262 ft: drilling and casing alone typically runs $6,550–$17,030; a complete system including pump, pressure tank, and hookup typically runs $15,720–$26,200. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in Grant County?

The median static water level is 134 ft below ground surface (middle half of wells: 57 ft–212 ft), from 3,533 measurements.

How much water do wells in Grant County produce?

The median tested yield is 15 gpm (middle half: 10 gpm–20 gpm), from 3,455 pump tests. A typical household needs 5–10 gpm.

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Drilled depth distribution

0–50 ft 63 50–100 ft 288 100–150 ft 561 150–200 ft 456 200–300 ft 974 300–400 ft 854 400–600 ft 355 600+ ft 21

Who drills wells in Grant County?

Companies by number of wells completed in this county since 2016, per filed well construction reports (Wisconsin DNR).

DrillerWells since 2016
FAHERTY, JEFFERY A410
SAM'S WELL DRILLING INC209
CORPIAN WELL DRILLING INC88
KOUBA DRILLING LLC75
RODAMAKER, ROBERT J32
LOVELACE WELL DRILLING INC12
SAM'S WELL DRILLING8
NIFFENEGGER WELL & PUMP INC7

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Method: medians computed from WI DNR records (drilled water wells (well-construction reports) — geothermal loop/heat-exchange, anode, test and dry holes excluded; depths 0–5,000 ft). Cost estimate applies published per-foot ranges (checked 2026-06-11) to the local median depth — full methodology & sources.