Wisconsin Well Data › Dunn County
Dunn County, Wisconsin: well depth, water level & drilling cost
✓ 8,897 WI DNR records · verified 2026-09-28
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How deep are wells in Dunn County, Wisconsin?
The median drilled well depth in Dunn County is 100 ft, based on 5,793 wells with recorded depths in the state WI DNR database. Half of all wells fall between 77 ft and 135 ft; 90% are shallower than 170 ft. Wells drilled since 2016 have a median depth of 105 ft.
How much does it cost to drill a well in Dunn County?
Applying published per-foot rates to the local median depth of 105 ft: drilling and casing alone typically runs $2,625–$6,825; a complete system including pump, pressure tank, and hookup typically runs $6,300–$10,500. Actual quotes depend on site access, geology, and casing requirements.
What is the static water level in Dunn County?
The median static water level is 50 ft below ground surface (middle half of wells: 28 ft–75 ft), from 5,722 measurements.
How much water do wells in Dunn County produce?
The median tested yield is 15 gpm (middle half: 12 gpm–18 gpm), from 5,645 pump tests. A typical household needs 5–10 gpm.
Drilled depth distribution
Who drills wells in Dunn County?
Companies by number of wells completed in this county since 2016, per filed well construction reports (Wisconsin DNR).
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Well records by ZIP code in Dunn County
Median depth, water level, and yield for each ZIP code with recorded wells.
- Menomonie (54751) — 2,358 wells, median 110 ft
- Elk Mound (54739) — 1,950 wells, median 100 ft
- Colfax (54730) — 1,315 wells, median 100 ft
- Wheeler (54772) — 698 wells, median 100 ft
- Downsville (54735) — 562 wells, median 120 ft
- Knapp (54749) — 539 wells, median 120 ft
- Sand Creek (54765) — 489 wells, median 100 ft
- Boyceville (54725) — 369 wells, median 100 ft
- Eau Galle (54737) — 357 wells, median 103 ft
- Downing (54734) — 356 wells, median 105 ft
- Ridgeland (54763) — 311 wells, median 100 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.