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Knapp, Wisconsin

Well Drillers Near Knapp, Wisconsin

The typical geological profile for the Knapp area consists of surficial sand/sandy clay, a thick section of sand and/or gravel and clay, followed by one or more sandstone layers which serve as the main aquifer.

Showing contractors within 60 miles of Knapp. 83 results found.

Typical depth
125 ft
Water table
65 ft
Contractors
83

83 Contractors

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View Local Geology Report

A geological estimate for the Knapp area.

Typical Well Depth
125 ft
Static Water Level
65 ft
Recommended Method
Rotary - Mud Circulation

Detailed Summary

Based on averaging lithological descriptions and depths from multiple wells, the representative stratigraphy includes: (1) a surface layer of sand or sandy clay (sometimes with gravel), (2) zones of clay or silt interbedded with sand and/or gravel, and (3) a thick, regionally extensive sequence of sandstone, often light brown or gray and hard, starting typically between 60-100 feet and extending to well bottoms between 114-160 feet. Static water levels typically range from 28-90 feet below surface, and most area wells encounter sufficient water yield at depths of approximately 90-135 feet. The sandstone aquifer is the primary water-producing zone.

Expected Geological Layers

Depth (Feet)Formation TypeDescriptionCharacteristics
0 – 10 ftSand/Sandy ClayTan or brown, soft/loose sand, often mixed with some clay or gravel; topsoil at very surface.Color: Tan/Brown
Hardness: Soft/Loose
10 – 40 ftSand and Gravel, Locally Sandy Clay or Silt, Minor ClayBrown or tan, caving/non-caving sand and gravel with local clay or silt interbeds.Color: Brown/Tan
Hardness: Soft/Unconsolidated
40 – 75 ftClay or Sandy Clay/Interbedded SandBrown or gray clay and sandy clay, local lenses/slabs of silt or hardpan, occasional fiberglass clay and local shale interbeds.Color: Brown/Gray
Hardness: Soft to Stiff
75 – 95 ftTransition Sand/GravelTan or yellow-brown, slightly coarser sand transitioning to sandstone, sometimes with gravel.Color: Tan/Yellow/Brown
Hardness: Medium/Loose
95 – 135 ftSandstone AquiferLight brown, tan, or gray hard to firm sandstone; primary water bearing zone. May commence as semi-firm or soft, grading quickly to hard.Color: Light Brown/Gray/Tan
Hardness: Firm to Hard
135 – 150 ftLower Sandstone/Higher CompetenceHard or firm sandstone, gray or tan; base of most wells. Not always penetrated in residential wells.Color: Gray/Tan
Hardness: Hard

Frequently Asked Questions

A typical residential well in the Knapp area is drilled to approximately 125 feet to ensure a reliable water supply of 5-15+ gallons per minute.

The static water level, or water table, is typically found around 65 feet below the surface in this region.

Based on averaging lithological descriptions and depths from multiple wells, the representative stratigraphy includes: (1) a surface layer of sand or sandy clay (sometimes with gravel), (2) zones of clay or silt interbedded with sand and/or gravel, and (3) a thick, regionally extensive sequence of sandstone, often light brown or gray and hard, starting typically between 60-100 feet and extending to well bottoms between 114-160 feet. Static water levels typically range from 28-90 feet below surface, and most area wells encounter sufficient water yield at depths of approximately 90-135 feet. The sandstone aquifer is the primary water-producing zone.