Minnesota Well Data › Winona County
Winona County, Minnesota: well depth, water level & drilling cost
✓ 2,601 CWI records · verified 2026-06-29
How deep are wells in Winona County, Minnesota?
The median drilled well depth in Winona County is 206 ft, based on 2,586 wells with recorded depths in the state CWI database. Half of all wells fall between 134 ft and 449 ft; 90% are shallower than 595 ft. Wells drilled since 2016 have a median depth of 375 ft.
How much does it cost to drill a well in Winona County?
Applying published per-foot rates to the local median depth of 375 ft: drilling and casing alone typically runs $9,375–$24,375; a complete system including pump, pressure tank, and hookup typically runs $22,500–$37,500. Actual quotes depend on site access, geology, and casing requirements.
What is the static water level in Winona County?
The median static water level is 66 ft below ground surface (middle half of wells: 35 ft–191 ft), from 2,019 measurements.
How much water do wells in Winona County produce?
The median tested yield is 18 gpm (middle half: 15 gpm–20 gpm), from 1,783 pump tests. A typical household needs 5–10 gpm.
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Drilled depth distribution
Who drills wells in Winona County?
Drillers by number of wells completed in this county since 2016, per filed well records (Minnesota County Well Index).
| Driller | Wells since 2016 |
|---|---|
| DRUSSELL, D | 38 |
| DRUSSELL, D. | 29 |
| HANSON, B | 17 |
| D DRUSSELL | 12 |
| RAAEN, D. | 10 |
| UNDERDAHL, N | 10 |
| DRUSSELL,DAVE | 10 |
| UNDERDAHL, N. | 7 |
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Median depth, water level, and yield for each ZIP code with recorded wells.
- Winona (55987) — 719 wells, median 184 ft
- Minnesota City (55959) — 202 wells, median 110 ft
- Charles (55972) — 166 wells, median 410 ft
- Dakota (55925) — 129 wells, median 230 ft
- Altura (55910) — 126 wells, median 256 ft
- Lewiston (55952) — 94 wells, median 480 ft
- Stockton (55988) — 80 wells, median 141 ft
- Utica (55979) — 77 wells, median 426 ft
- Rollingstone (55969) — 67 wells, median 160 ft
Method: medians computed from CWI records (water-supply wells only (domestic, irrigation, public/community supply, commercial, industrial) — monitoring, observation, test, injection, heat-pump and environmental boreholes 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.