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Vassar, Michigan

Well Drillers Near Vassar, Michigan

Vassar region household wells typically penetrate thick glacial clay and gravel overburden, followed by shale, sandstone, and minor limestone layers, with residential wells generally completed within sandstone or sandstone/limestone units between 140–170 ft. Water is usually encountered at 12–35 ft below grade.

Showing contractors within 60 miles of Vassar. 79 results found.

Typical depth
160 ft
Water table
20 ft
Contractors
79

79 Contractors

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View Local Geology Report

A geological estimate for the Vassar area.

Typical Well Depth
160 ft
Static Water Level
20 ft
Recommended Method
Rotary - Mud Circulation

Detailed Summary

Analysis of representative well logs around Vassar shows a consistent sequence of glacial sediments (sand, gravel, clay, and stones) to around 90–110 ft depth, followed by alternating shale and sandstone bedrock units, sometimes with thin limestone interbeds. The most common sequence is a clayey or clay-gravel overburden, then shale, and the main aquifers used in household wells are commonly in sandstone or combined sandstone/limestone intervals between 120–170 ft. Static water levels are typically 12–35 ft below ground surface. Yields for residential use (5–15+ GPM) are reliable in this range.

Expected Geological Layers

Depth (Feet)Formation TypeDescriptionCharacteristics
0 – 10 ftSand or Sand w/ GravelFine to medium sand, occasionally with gravel; unconsolidatedColor: Brown/Yellow
Hardness: Soft
10 – 40 ftClay (possible interbeds of gravel)Stiff to soft clay, may contain stones and gravel layersColor: Gray to Brown
Hardness: Soft
40 – 110 ftClay & Stones / Clay & GravelMixed clay with significant gravel and stone contentColor: Gray
Hardness: Soft to Medium
110 – 130 ftShale (commonly black or gray)Interbedded black, gray, or green soft shale, sometimes minor coalColor: Black, Green or Dark Gray
Hardness: Soft
130 – 180 ftSandstone (occasional limestone interbeds)Fine to medium, some soft white/gray sandstone, locally with interbedded limestoneColor: White, Gray
Hardness: Soft to Medium
180 – 220 ftSandstone/Limestone & Secondary ShaleLimestone layers with sandstone and some soft shale intervalsColor: Gray, White, Buff
Hardness: Medium
220 – 240 ftSandstone (Firm or Hard)Firm sandstone, commonly last aquifer encountered in logsColor: Gray/White
Hardness: Medium-Hard

Frequently Asked Questions

A typical residential well in the Vassar area is drilled to approximately 160 feet to ensure a reliable water supply of 5-15+ gallons per minute.

The static water level, or water table, is typically found around 20 feet below the surface in this region.

Analysis of representative well logs around Vassar shows a consistent sequence of glacial sediments (sand, gravel, clay, and stones) to around 90–110 ft depth, followed by alternating shale and sandstone bedrock units, sometimes with thin limestone interbeds. The most common sequence is a clayey or clay-gravel overburden, then shale, and the main aquifers used in household wells are commonly in sandstone or combined sandstone/limestone intervals between 120–170 ft. Static water levels are typically 12–35 ft below ground surface. Yields for residential use (5–15+ GPM) are reliable in this range.