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Well Drillers Near Allendale, Michigan

Allendale's typical subsurface sequence is sand (often with clay/gravel), then thick clay with occasional sand/gravel layers, and finally sandstone/bedrock. Most residential wells draw from sand or fractured sandstone aquifers at 40–80 ft or at 150–180+ ft depths, yielding 5–18+ GPM.

Showing contractors within 60 miles of Allendale. 64 results found.

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A geological estimate for the Allendale area.

60 ft

Typical Well Depth

40 ft

Static Water Level

Rotary - Mud Circulation

Recommended Method

Detailed Summary

A representative geological profile for Allendale and nearby Ottawa County areas, based on sampled well logs, generally begins with a surficial sand or sand-with-clay/gravel unit (10–30 ft), followed by a substantial clay or clay with layers of sand or gravel (80–130 ft total). Some wells encounter interbedded sand or sand/gravel below this (down to 150–175 ft). The reliable high-yield aquifer is most often a sandstone or sand/bedrock layer beginning near 150–180 ft and extending as deep as the wells were drilled, sometimes >200 ft. Most residential wells tap shallower sand aquifers (~40–80 ft), but notable numbers are completed in deeper sandstone for either higher flow or in areas where shallow sand yields are insufficient.

Expected Geological Layers

Depth (Feet)Formation TypeDescriptionCharacteristics
0 – 2 ftTopsoil or surficial sandSandy loam or loose brown sand; occasional thin clay capColor: Brown
Hardness: Soft
2 – 15 ftSand (with possible clay or gravel)Medium to coarse sand, sometimes intermixed with clay or gravel lensesColor: Yellow to gray
Hardness: Soft to medium
15 – 135 ftClay (with sand/clay/gravel interbeds)Predominantly gray or brown clay, with occasional sand, silt, or gravel seams; minor hardpan sections; area variability but clay dominatesColor: Gray, brown
Hardness: Hard to very hard in places
135 – 155 ftSand/gravel with clay interbedsSandy gravel and clay, increasingly coarse towards baseColor: Gray/yellow
Hardness: Medium
155 – 180 ftHardpan, dense clay or sandy claystoneDense, compact hardpan and/or sand-cemented layers, locally containing iron or sandstone nodulesColor: Gray
Hardness: Very hard
180 – 220 ftSandstone / bedrock aquiferSoft to moderately hard, gray sandstone or limestone; yields high flows where fractured, widely used for bedrock wellsColor: Gray
Hardness: Hard