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Trego, Wisconsin

Well Drillers Near Trego, Wisconsin

Typical Trego area wells encounter a mixed sequence of sand, gravel, sandy clay, and occasional hardpan or silt, with high-yield aquifers in coarse sand/gravel layers within the upper ~130 ft.

Showing contractors within 60 miles of Trego. 46 results found.

Typical depth
75 ft
Water table
35 ft
Contractors
46

46 Contractors

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View Local Geology Report

A geological estimate for the Trego area.

Typical Well Depth
75 ft
Static Water Level
35 ft
Recommended Method
Rotary - Mud Circulation

Detailed Summary

Based on synthesis of sampled logs, the dominant stratigraphy in the Trego region consists of upper fine to coarse sand (sometimes with silt or clay), underlain by sandy clay or hardpan in some locations, transitioning to thick, water-bearing sand and gravel layers that provide the main aquifer zones. Occasional hardpan, silt, or sandrock is present, but not widespread. The typical residential well targets the sand/gravel aquifer at 65–100 ft. High-capacity wells for agricultural/municipal use are usually not much deeper, as bedrock is rarely encountered before ~120–130 ft. Most wells use rotary mud drilling with PVC or steel casing and a cement or bentonite grout seal. Static water levels generally range from 10–60 ft below surface depending on local elevation and recharge.

Expected Geological Layers

Depth (Feet)Formation TypeDescriptionCharacteristics
0 – 25 ftSand (fine to medium, possibly with gravel or clay lenses)Brown/yellow, loose to medium compact sand; may include minor clay, silt.Color: Brown/yellow/tan
Hardness: Soft to medium
25 – 55 ftSandy clay or hardpan (locally variable); or silty sandSandy clay or hardpan; sometimes silt or silty sand layers. In some wells, this is a transitional zone.Color: Brown
Hardness: Medium to hard
55 – 75 ftSand and gravel (main aquifer)Coarse sand and gravel, main water-yielding unit. May include thin clay or silt streaks.Color: Yellow-brown to gray
Hardness: Medium to coarse, loose
75 – 120 ftCoarse sand and gravel / minor silt or sandrockThick, permeable sand and gravel with possible minor silty or sandy layers; locally grades to soft sandstone or sandrock.Color: Gray or white (sandrock), tan, brown
Hardness: Soft to medium

Frequently Asked Questions

A typical residential well in the Trego area is drilled to approximately 75 feet to ensure a reliable water supply of 5-15+ gallons per minute.

The static water level, or water table, is typically found around 35 feet below the surface in this region.

Based on synthesis of sampled logs, the dominant stratigraphy in the Trego region consists of upper fine to coarse sand (sometimes with silt or clay), underlain by sandy clay or hardpan in some locations, transitioning to thick, water-bearing sand and gravel layers that provide the main aquifer zones. Occasional hardpan, silt, or sandrock is present, but not widespread. The typical residential well targets the sand/gravel aquifer at 65–100 ft. High-capacity wells for agricultural/municipal use are usually not much deeper, as bedrock is rarely encountered before ~120–130 ft. Most wells use rotary mud drilling with PVC or steel casing and a cement or bentonite grout seal. Static water levels generally range from 10–60 ft below surface depending on local elevation and recharge.