Well Drilling Contractors & Geology Near Coloma, Michigan

Depth (Feet)	Formation Type	Description	Characteristics
0 – 8 ft	Sand (fine to medium), locally with gravel	Topsoil and unconsolidated fine to medium sand, occasional gravel	Color: Brown/Light Brown Hardness: Unconsolidated
8 – 40 ft	Clay (with variable silt and sand)	Mostly brown to gray clay, some silt and minor sand lenses	Color: Brown to Gray Hardness: Soft to Firm
40 – 50 ft	Sand & Silt or Gravel	Sand & silt or isolated sand/gravel stringers, variable occurrence	Color: Brown to Gray Hardness: Unconsolidated
50 – 90 ft	Clay (some with silt/sand interbeds)	Thick clay (gray or brown), with possible thin moist sand/clay stringers	Color: Brown to Gray Hardness: Firm to Hard
90 – 115 ft	Sand & Gravel, Sand (medium-fine)	Thick sand and/or sand & gravel, primary aquifer unit, water bearing	Color: Brown/Gray/Tan Hardness: Unconsolidated
115 – 145 ft	Clay (locally silty or sandy, some hard clay)	Another thick clay interval, potential for hard or moist character	Color: Gray/Dark Gray Hardness: Firm to Hard
145 – 175 ft	Sand (medium to coarse), locally with silt or clay	Lower sand and/or sand with silt or clay, marks base of typical water supply formation in deeper wells	Color: Brown/Gray Hardness: Unconsolidated
175 – 195 ft	Sand & Clay (coarse/fine alternations)	Alternating coarse sand with clay, basal interval seen in deeper high-capacity wells; merge with above for typical residential wells	Color: Gray/Brown Hardness: Unconsolidated

Depth (Feet)

Formation Type

Description

Characteristics

0 – 8 ft

Sand (fine to medium), locally with gravel

Topsoil and unconsolidated fine to medium sand, occasional gravel

Color: Brown/Light Brown
Hardness: Unconsolidated

8 – 40 ft

Clay (with variable silt and sand)

Mostly brown to gray clay, some silt and minor sand lenses

Color: Brown to Gray
Hardness: Soft to Firm

40 – 50 ft

Sand & Silt or Gravel

Sand & silt or isolated sand/gravel stringers, variable occurrence

Color: Brown to Gray
Hardness: Unconsolidated

50 – 90 ft

Clay (some with silt/sand interbeds)

Thick clay (gray or brown), with possible thin moist sand/clay stringers

Color: Brown to Gray
Hardness: Firm to Hard

90 – 115 ft

Sand & Gravel, Sand (medium-fine)

Thick sand and/or sand & gravel, primary aquifer unit, water bearing

Color: Brown/Gray/Tan
Hardness: Unconsolidated

115 – 145 ft

Clay (locally silty or sandy, some hard clay)

Another thick clay interval, potential for hard or moist character

Color: Gray/Dark Gray
Hardness: Firm to Hard

145 – 175 ft

Sand (medium to coarse), locally with silt or clay

Lower sand and/or sand with silt or clay, marks base of typical water supply formation in deeper wells

Color: Brown/Gray
Hardness: Unconsolidated

175 – 195 ft

Sand & Clay (coarse/fine alternations)

Alternating coarse sand with clay, basal interval seen in deeper high-capacity wells; merge with above for typical residential wells

Color: Gray/Brown
Hardness: Unconsolidated

Well Drillers Near Coloma, Michigan

53 Well Service Contractors

Mike's Well Drilling

Richcreek Water Pump Sales

Collins Well Drilling

Brinks Brothers & Son

Martin J. Mosier & Sons Water Well Services LLC

The Well Guy LLC

Dohm Well Drilling

J.E. Marks Well Drilling LLC

James Lewis Mosier Well Drilling

Yordy & Sons

Duke's Wells Service

Earl Sanders & Son Well Drilling Inc

Foune Well Drilling Inc

McCarty Well Drilling ,Inc.

Thomas J. Mosier Water Well Drilling

Del's Well Drilling

Mosier Water Well

Maurer Well & Pump Service Inc

Tatay Pump Service

Great Lakes Drilling Co

130 ft

50 ft

Rotary - Mud Circulation

Detailed Summary

Expected Geological Layers