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

62 Contractors

Collins Well Drilling

Mike's Well Drilling

Richcreek Water Pump Sales

Brinks Brothers & Son

Dohm Well Drilling

Duke's Wells Service

Earl Sanders & Son Well Drilling Inc

Foune Well Drilling Inc

J.E. Marks Well Drilling LLC

James Lewis Mosier Well Drilling

Martin J. Mosier Water Well Services

McCarty Well Drilling ,Inc.

The Well Guy LLC

Yordy & Sons

A+ Well Service

All J's Water Well Service

Bohs Well Drilling Inc

Broekhuis Bros Well Drilling Inc

C & B Pump Services & Well Drill

Clearwater Well & Pump

130 ft

50 ft

Rotary - Mud Circulation

Detailed Summary

Expected Geological Layers