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Well Drillers Near Holcombe, Wisconsin

Typical Holcombe-area wells encounter a thick surficial sand and/or sandy gravel deposit underlain by clay/hardpan, transitioning to granitic bedrock at depth.

Showing contractors within 60 miles of Holcombe. 25 results found.

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A geological estimate for the Holcombe area.

80 ft

Typical Well Depth

15 ft

Static Water Level

Rotary - Mud Circulation

Recommended Method

Detailed Summary

In the Holcombe region, the most common geological profile observed in well logs starts with surficial sand, sandy gravel, or gravelly clay layers, extending from ground surface to approximately 20-45 feet deep. This is often followed by a thick interval of firm clay or hardpan (occasionally alternating with gravel), extending down to 60-90 feet. Below this, in most Holcombe wells drilled over 100 feet, drillers consistently report black, brown, or gray granite bedrock, generally encountered between 40 and 90 feet, and extending to at least 160-300 feet depending on the well. This granitic bedrock underlies the unconsolidated sediments and constitutes the main aquifer for higher capacity wells. Shallow wells in the area are generally completed in the final layers of sand, sandy gravel, or occasionally within granite, depending on the required water yield. Static water levels typically range from 5 to 36 feet below surface. The most common drilling method is rotary with mud circulation.

Expected Geological Layers

Depth (Feet)Formation TypeDescriptionCharacteristics
01 ftTopsoilSandy/brown soil, locally with minor stonesColor: Brown
Hardness: Soft
123 ftSand & Gravel, with local ClaySandy or gravelly clay, sometimes with stones; locally described as hardpan or firm clayColor: Brown/gray
Hardness: Soft to firm
2345 ftClay / HardpanFirm hardpan or dense clay, may include local gravel seamsColor: Gray to tan
Hardness: Hard/Firm
4590 ftGranite (weathered/partially decomposed)Partially decomposed brown/black/gray granite, occasionally softer red layers or mixed with sand/gravelColor: Black, brown, gray, with local red
Hardness: Firm to hard
90225 ftGranite (fresh, hard rock)Hard to firm black, gray, or brown granite bedrock forming the regional aquiferColor: Black/gray/brown
Hardness: Hard