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La Crosse, Wisconsin

Well Drillers Near La Crosse, Wisconsin

Typical La Crosse well geology consists of a surface sequence of clay/silt, underlain by sand or sand & gravel, transitioning to sandstone, with occasional shale and limestone at greater depths.

Showing contractors within 60 miles of La Crosse. 34 results found.

Typical depth
80 ft
Water table
45 ft
Contractors
34

34 Contractors

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View Local Geology Report

A geological estimate for the La Crosse area.

Typical Well Depth
80 ft
Static Water Level
45 ft
Recommended Method
Rotary - Mud Circulation

Detailed Summary

Based on representative well logs across La Crosse County, the most common stratigraphy begins with a thin layer of topsoil and/or clay, ranging roughly from the surface to 3-5 ft, often blending into a thicker silt or soft muck unit where present. This is consistently followed by a considerable zone of sand or sand & gravel, typically extending from near surface down to between 60-100 ft. In upland or bluff areas the sand/gravel may alternate with hard sandrock, poorly consolidated sand, or sandstone, with some wells reporting initial layers of shale rather than sand. Beneath the sand/gravel or sandstone, deeper wells (especially those exceeding 150 ft) encounter more competent sandstone, and sometimes further underlain by shale, hard shale, or limestone/crevice zones at 150-430 ft and beyond. Water supply comes almost exclusively from the sand/gravel or shallow sandstone. A typical residential well targeting 5-15+ GPM is completed at 60-100 ft within the sand/sandstone, while higher capacity or rural wells may reach 150-460 ft for increased production from sandstone or mixed rock aquifers.

Expected Geological Layers

Depth (Feet)Formation TypeDescriptionCharacteristics
0 – 3 ftClay/TopsoilTopsoil, clay or silt—varies by location, may include muck near floodplains.Color: Brown/gray
Hardness: Soft
3 – 17 ftSilt/Muck/Shale (local variation)Clay silt, soft muck or shallow shale (typically uplands)—unit not present everywhere.Color: Gray/black/yellow
Hardness: Soft/firm
17 – 100 ftSand & Gravel / SandstoneYellow/brown sand & gravel, soft sandrock or sandstone; primary aquifer for most residential wells.Color: Yellow-brown
Hardness: Soft to medium
100 – 220 ftSandstone (in uplands) / Transition zoneMedium to hard sandstone, sometimes interbedded with shale or limestone beds (in deep wells); principal high-capacity aquifer.Color: Light brown/tan/gray
Hardness: Medium to hard
220 – 460 ftShale/Limestone (deep wells only)Hard shale, hard sandstone, and limestone with occasional crevices; not encountered in shallow residential wells.Color: Gray/green/brown
Hardness: Hard

Frequently Asked Questions

A typical residential well in the La Crosse area is drilled to approximately 80 feet to ensure a reliable water supply of 5-15+ gallons per minute.

The static water level, or water table, is typically found around 45 feet below the surface in this region.

Based on representative well logs across La Crosse County, the most common stratigraphy begins with a thin layer of topsoil and/or clay, ranging roughly from the surface to 3-5 ft, often blending into a thicker silt or soft muck unit where present. This is consistently followed by a considerable zone of sand or sand & gravel, typically extending from near surface down to between 60-100 ft. In upland or bluff areas the sand/gravel may alternate with hard sandrock, poorly consolidated sand, or sandstone, with some wells reporting initial layers of shale rather than sand. Beneath the sand/gravel or sandstone, deeper wells (especially those exceeding 150 ft) encounter more competent sandstone, and sometimes further underlain by shale, hard shale, or limestone/crevice zones at 150-430 ft and beyond. Water supply comes almost exclusively from the sand/gravel or shallow sandstone. A typical residential well targeting 5-15+ GPM is completed at 60-100 ft within the sand/sandstone, while higher capacity or rural wells may reach 150-460 ft for increased production from sandstone or mixed rock aquifers.