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Ortonville, Michigan

Well Drillers Near Ortonville, Michigan

A typical Ortonville-area well penetrates a sequence of unconsolidated gravel, clay, and sand layers overlying bedrock (often sandstone or limestone), with residential wells drawing from gravel or sand aquifers at moderate depths.

Showing contractors within 60 miles of Ortonville. 89 results found.

Typical depth
95 ft
Water table
40 ft
Contractors
89

89 Contractors

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View Local Geology Report

A geological estimate for the Ortonville area.

Typical Well Depth
95 ft
Static Water Level
40 ft
Recommended Method
Rotary - Mud Circulation

Detailed Summary

Based on synthesis of multiple well logs from the Ortonville and surrounding region (Oakland/Genesee/Lapeer counties), the most representative geological profile is as follows: The shallowest layers are typically surficial gravels (sometimes sandy or red), often up to 40-45 ft thick, underlain by varying thicknesses of clay (often brown or gray, sometimes hard, 20-60 ft), with additional water-bearing sand or sand/gravel intervals typically encountered below these clays (15-30 ft thick, often used as domestic aquifers). At greater depths (>100 ft), wells may encounter additional thick gravel/sand or transition into fractured bedrock (sandstone, limestone, granite), which serve as high-capacity aquifers. The static water level is usually between 17 and 65 ft below grade, and residential wells are most commonly completed at 70 to 120 ft for reliable yields (10-20 GPM). High-capacity/bedrock wells can extend to 180-260 ft or deeper.

Expected Geological Layers

Depth (Feet)Formation TypeDescriptionCharacteristics
0 – 40 ftGravel (occas. sandy/red), locally mixed with clayCoarse to medium gravel, sometimes sandy or reddish, forming the basal surficial layer; water may be present in basal portions.Color: Brown-Red
Hardness: Loose to medium consolidated
40 – 70 ftClay (occas. sandy/hard/gray/red/brown)Firm to hard clay, often brown, gray, or reddish; acts as a confining layer between aquifers.Color: Brown-Gray-Red
Hardness: Hard to very firm
70 – 95 ftSand & Gravel (Water Bearing)Sand and gravel (often medium to coarse), principal domestic aquifer for residential wells, generally saturated.Color: Gray-Brown
Hardness: Unconsolidated to semi-consolidated
95 – 140 ftClay or Sandy Clay (subordinate gravel/sand layers possible)Mostly clay; may include sandy or gravel lenses; less permeable, locally acts as aquitard.Color: Brown-Gray
Hardness: Hard
140 – 200 ftSandstone or Sand & Gravel TransitionCoarse sand, sandstone, or mixed gravels; high-yield zones for deeper or higher capacity wells; can include transition to fractured bedrock (limestone/sandstone).Color: Light brown, gray, tan
Hardness: Consolidated (bedrock); loose before bedrock

Frequently Asked Questions

A typical residential well in the Ortonville area is drilled to approximately 95 feet to ensure a reliable water supply of 5-15+ gallons per minute.

The static water level, or water table, is typically found around 40 feet below the surface in this region.

Based on synthesis of multiple well logs from the Ortonville and surrounding region (Oakland/Genesee/Lapeer counties), the most representative geological profile is as follows: The shallowest layers are typically surficial gravels (sometimes sandy or red), often up to 40-45 ft thick, underlain by varying thicknesses of clay (often brown or gray, sometimes hard, 20-60 ft), with additional water-bearing sand or sand/gravel intervals typically encountered below these clays (15-30 ft thick, often used as domestic aquifers). At greater depths (>100 ft), wells may encounter additional thick gravel/sand or transition into fractured bedrock (sandstone, limestone, granite), which serve as high-capacity aquifers. The static water level is usually between 17 and 65 ft below grade, and residential wells are most commonly completed at 70 to 120 ft for reliable yields (10-20 GPM). High-capacity/bedrock wells can extend to 180-260 ft or deeper.