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Well Drillers Near Holmen, Wisconsin

The typical Holmen-area well penetrates a thick unconsolidated sand (or sand and gravel) aquifer, sometimes underlain by sandstone, with static water levels generally moderate to deep.

Showing contractors within 60 miles of Holmen. 27 results found.

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A geological estimate for the Holmen area.

70 ft

Typical Well Depth

40 ft

Static Water Level

Rotary - Mud Circulation

Recommended Method

Detailed Summary

Holmen and greater La Crosse County wells predominantly encounter a thick brown sand or sand-and-gravel unit from land surface to between 60 and 130 feet. A minority of wells (especially to the south/east) may encounter sandstone or shaley sandstone beneath the unconsolidated aquifer, but most household supply wells are completed within the sand/gravel. Static water levels are variable, most commonly ranging from 10-90 feet below ground surface, with pumping levels for 10+ GPM commonly 20-110 feet. Casing typically extends to near the bottom of the sand/gravel, with screen or open intake at the base. Rotary mud circulation is the most common drilling method. The most reliable geology is: thick unconsolidated brown sand/sand-gravel, locally with clay-rich cap, over possible sandstone/shale at greater depths.

Expected Geological Layers

Depth (Feet)Formation TypeDescriptionCharacteristics
0 – 20 ftClay or clayey silt (local, discontinuous cap)Brown clay with rocks or sandy silt, locally hard, usually forming the uppermost layer in some wells, otherwise gradational to sand.Color: Brown
Hardness: Hard/stiff
0 – 120 ftSand/Sand & GravelThick, brown, medium-to-coarse sand with frequent gravel, common throughout all wells; occasionally some cobbles or stones; forms the main aquifer.Color: Brown to tan
Hardness: Loose/medium
120 – 155 ftSandstone (occasional, deeper wells only)Light brown sandstone and locally shaley sandstone at the base of the sand/gravel, not always encountered in typical residential wells.Color: Tan to brown
Hardness: Hard