⟁ Wisconsin Well Data field records · 2026 survey

Wisconsin Well Data › St. Croix County

St. Croix County, Wisconsin: well depth, water level & drilling cost

✓ 16,146 WI DNR records · verified 2026-06-30

160 ftmedian well depth
120 ft–220 fttypical depth range
90 ftmedian static water level
10 gpmmedian yield (11,959 tests)

How deep are wells in St. Croix County, Wisconsin?

The median drilled well depth in St. Croix County is 160 ft, based on 12,130 wells with recorded depths in the state WI DNR database. Half of all wells fall between 120 ft and 220 ft; 90% are shallower than 273 ft. Wells drilled since 2016 have a median depth of 160 ft.

How much does it cost to drill a well in St. Croix County?

Applying published per-foot rates to the local median depth of 160 ft: drilling and casing alone typically runs $4,000–$10,400; a complete system including pump, pressure tank, and hookup typically runs $9,600–$16,000. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in St. Croix County?

The median static water level is 90 ft below ground surface (middle half of wells: 55 ft–140 ft), from 12,035 measurements.

How much water do wells in St. Croix County produce?

The median tested yield is 10 gpm (middle half: 10 gpm–15 gpm), from 11,959 pump tests. A typical household needs 5–10 gpm.

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Drilled depth distribution

0–50 ft 73 50–100 ft 1,465 100–150 ft 3,989 150–200 ft 2,555 200–300 ft 3,332 300–400 ft 627 400–600 ft 84 600+ ft 5

Who drills wells in St. Croix County?

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

DrillerWells since 2016
BUTTERFIELD, TIM DRILLING INC845
TIM BUTTERFIELD DRILLING INC366
STEVE'S WELL AND PUMP SERVICES, LLC307
PELKE PLBG & WELL DRLG INC300
MARTELL WELL DRILLING & PUMP REPAIR INC212
HOYER BROTHERS WELL DRILLING INC160
DAHL WELL DRILLING LLC94
MCCULLOUGH & SONS INC43

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Looking at a specific property in St. Croix County?

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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.