⟁ Wisconsin Well Data field records · 2026 survey

Wisconsin Well Data › Waukesha County

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

✓ 63,794 WI DNR records · verified 2026-06-30

149 ftmedian well depth
82 ft–221 fttypical depth range
40 ftmedian static water level
20 gpmmedian yield (22,892 tests)

How deep are wells in Waukesha County, Wisconsin?

The median drilled well depth in Waukesha County is 149 ft, based on 23,306 wells with recorded depths in the state WI DNR database. Half of all wells fall between 82 ft and 221 ft; 90% are shallower than 300 ft. Wells drilled since 2016 have a median depth of 143 ft.

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

Applying published per-foot rates to the local median depth of 143 ft: drilling and casing alone typically runs $3,575–$9,295; a complete system including pump, pressure tank, and hookup typically runs $8,580–$14,300. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in Waukesha County?

The median static water level is 40 ft below ground surface (middle half of wells: 22 ft–69 ft), from 23,100 measurements.

How much water do wells in Waukesha County produce?

The median tested yield is 20 gpm (middle half: 15 gpm–25 gpm), from 22,892 pump tests. A typical household needs 5–10 gpm.

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Drilled depth distribution

0–50 ft 2,027 50–100 ft 5,205 100–150 ft 4,447 150–200 ft 4,045 200–300 ft 5,220 300–400 ft 1,602 400–600 ft 553 600+ ft 207

Who drills wells in Waukesha County?

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

DrillerWells since 2016
SAM'S WELL DRILLING INC1,559
HERR WELL DRILLING INC630
4-D WATER WELL & PUMP SERVICE LLC404
SWEENEY, KENNETH R377
ROSCHI BROS WELL DRLG & PUMP INC238
D & D WELL & PUMPS LLC134
KENNETH R SWEENEY97
SAM'S WELL DRILLING88

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Looking at a specific property in Waukesha 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.