Wisconsin Well Data › Waukesha County
Waukesha County, Wisconsin: well depth, water level & drilling cost
✓ 63,794 WI DNR records · verified 2026-09-28
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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.
Drilled depth distribution
Who drills wells in Waukesha County?
Companies by number of wells completed in this county since 2016, per filed well construction reports (Wisconsin DNR).
| Driller | Wells since 2016 |
|---|---|
| SAM'S WELL DRILLING INC | 1,559 |
| HERR WELL DRILLING INC | 630 |
| 4-D WATER WELL & PUMP SERVICE LLC | 404 |
| SWEENEY, KENNETH R | 377 |
| ROSCHI BROS WELL DRLG & PUMP INC | 238 |
| D & D WELL & PUMPS LLC | 134 |
| KENNETH R SWEENEY | 97 |
| SAM'S WELL DRILLING | 88 |
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Well records by ZIP code in Waukesha County
Median depth, water level, and yield for each ZIP code with recorded wells.
- Muskego (53150) — 4,174 wells, median 87 ft
- Big Bend (53103) — 4,129 wells, median 115 ft
- Delafield (53018) — 3,509 wells, median 177 ft
- Elm Grove (53122) — 3,206 wells, median 265 ft
- Merton (53056) — 3,086 wells, median 139 ft
- New Berlin (53146) — 2,952 wells, median 142 ft
- Brookfield (53045) — 2,842 wells, median 183 ft
- New Berlin (53151) — 2,423 wells, median 205 ft
- Mukwonago (53149) — 2,322 wells, median 145 ft
- Butler (53007) — 2,292 wells, median 244 ft
- Pewaukee (53072) — 2,190 wells, median 184 ft
- Wales (53183) — 2,118 wells, median 196 ft
- Okauchee (53069) — 2,089 wells, median 59 ft
- Waukesha (53189) — 2,018 wells, median 179 ft
- North Lake (53064) — 1,915 wells, median 96 ft
- Dousman (53118) — 1,845 wells, median 143 ft
- Eagle (53119) — 1,799 wells, median 140 ft
- Lannon (53046) — 1,645 wells, median 185 ft
- Oconomowoc (53066) — 1,578 wells, median 132 ft
- North Prairie (53153) — 1,510 wells, median 165 ft
- Sussex (53089) — 1,506 wells, median 200 ft
- Hartland (53029) — 1,358 wells, median 165 ft
- Menomonee Falls (53051) — 1,330 wells, median 199 ft
- Nashotah (53058) — 1,269 wells, median 96 ft
- Brookfield (53008) — 1,230 wells, median 245 ft
- Milwaukee (53263) — 1,200 wells, median 304 ft
- Waukesha (53186) — 1,183 wells, median 164 ft
- Waukesha (53188) — 1,150 wells, median 205 ft
- Brookfield (53005) — 1,120 wells, median 225 ft
- Genesee Depot (53127) — 1,026 wells, median 202 ft
- Menomonee Falls (53052) — 598 wells, median 201 ft
- Waukesha (53187) — 405 wells, median 179 ft
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.