Minnesota Well Data › Winona County
Winona County, Minnesota: well depth, water level & drilling cost
✓ 2,601 CWI records · verified 2026-09-28
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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.
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 |
| UNDERDAHL, N | 10 |
| RAAEN, D. | 10 |
| DRUSSELL,DAVE | 10 |
| UNDERDAHL, N. | 7 |
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Well records by ZIP code in Winona County
Median depth, water level, and yield for each ZIP code with recorded wells.
- Winona (55987) — 763 wells, median 181 ft
- Minnesota City (55959) — 272 wells, median 118 ft
- Charles (55972) — 239 wells, median 397 ft
- Dakota (55925) — 218 wells, median 220 ft
- Altura (55910) — 179 wells, median 245 ft
- Utica (55979) — 122 wells, median 407 ft
- Stockton (55988) — 120 wells, median 150 ft
- Homer (55942) — 120 wells, median 300 ft
- Lewiston (55952) — 111 wells, median 440 ft
- Rollingstone (55969) — 98 wells, median 163 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.