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Dexter, Michigan

Well Drillers Near Dexter, Michigan

Dexter-area typical well geology features a surficial sand or clay unit, transitioning to alternating sand/gravel aquifers and clay/silt confining layers, with glacial sediments giving way to sandstone/limestone bedrock below ~85-130 ft. Most productive residential wells are completed in deep sand/gravel, occasionally in sandstone or limestone.

Showing contractors within 60 miles of Dexter. 95 results found.

Typical depth
75 ft
Water table
26 ft
Contractors
95

95 Contractors

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View Local Geology Report

A geological estimate for the Dexter area.

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

Detailed Summary

In the Dexter region, most wells encounter a sequence beginning with a surficial sand, loam, or clay layer (typically yellow/brown, ~5-25 ft thick) followed by interbedded layers of sand/gravel aquifer material and clay (both soft and hard) down to 60–80 ft. From 60–90 ft, cemented sand/gravel, sandstone, or compacted clay may appear, especially in deeper wells. Bedrock, generally as sandstone or limestone, is reported at ~85–136 ft. Most residential wells (5–15+ GPM) are screened in the major sand/gravel aquifer lying between 40 and 90 ft. Static water levels range from 15 to 35 ft below grade. Modern construction prefers rotary drilling, with 4–5 inch PVC or steel casing, and bentonite slurry grout to the top of screen or bedrock.

Expected Geological Layers

Depth (Feet)Formation TypeDescriptionCharacteristics
0 – 8 ftSand or Loam/FillYellow/brown sand, loam, or artificial fill, sometimes mixed with clay.Color: Yellow/Brown
Hardness: Soft
8 – 26 ftClay (varying hardness)Yellow, blue, or gray clay; may be soft or hard; occasional silt inclusions.Color: Yellow/Gray/Blue
Hardness: Soft to hard
26 – 56 ftSand & Gravel (aquifer zone)Sand and gravel, sometimes interbedded with clay or minor silt. Main water-bearing aquifer for residential supply.Color: Yellow/Gray
Hardness: Loose to medium
56 – 80 ftClay, hard/blue or interbedded clay/gravelGlacial hard clay, blue or gray, sometimes containing fine sand or gravel or listed as 'cemented' or 'compact'. Acts as confining layer.Color: Blue/Gray
Hardness: Hard
80 – 90 ftSand & Gravel / Cemented ZoneCoarser sand and gravel, sometimes reported as cemented or mixed with gravel/sandstone.Color: Varied (white, gray)
Hardness: Cemented to loose
90 – 130 ftSandstone, Limestone, or Shale (Bedrock)White/gray sandstone or limestone; sometimes with shale partings at top; underlying glacial till. Yields water in deeper wells.Color: White/Gray/Black (shale)
Hardness: Hard

Frequently Asked Questions

A typical residential well in the Dexter 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 26 feet below the surface in this region.

In the Dexter region, most wells encounter a sequence beginning with a surficial sand, loam, or clay layer (typically yellow/brown, ~5-25 ft thick) followed by interbedded layers of sand/gravel aquifer material and clay (both soft and hard) down to 60–80 ft. From 60–90 ft, cemented sand/gravel, sandstone, or compacted clay may appear, especially in deeper wells. Bedrock, generally as sandstone or limestone, is reported at ~85–136 ft. Most residential wells (5–15+ GPM) are screened in the major sand/gravel aquifer lying between 40 and 90 ft. Static water levels range from 15 to 35 ft below grade. Modern construction prefers rotary drilling, with 4–5 inch PVC or steel casing, and bentonite slurry grout to the top of screen or bedrock.