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Well Drillers Near Afton, Wyoming

Afton's typical geological profile consists of a thin surficial soil/gravel cover, underlain by alternating sequences of alluvial silt, sand and clay, becoming increasingly gravelly and sandy with depth, before encountering fractured bedrock (primarily limestone or basalt). Residential wells most often reach water in coarser, unconsolidated sand and gravel zones above or at the upper part of the bedrock contact.

Showing contractors within 60 miles of Afton. 14 results found.

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Dover Drilling

31 Industrial Site Rd, Pinedale, WY 82941

Phone: (307) 231-9817
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View Local Geology Report

A geological estimate for the Afton area.

130 ft

Typical Well Depth

40 ft

Static Water Level

Rotary - Mud Circulation

Recommended Method

Detailed Summary

The representative profile for Afton, synthesized from well logs in the area, shows an upper zone of mixed soil and silty sand/gravel (often 0-6 ft), grading into thicker intervals (to ~60 ft) of interbedded silt, clay, and fine sand. Below this, a more permeable gravelly sand to coarse sand and gravel sequence (often water-bearing) is usually encountered between ~60-130 ft, which is commonly targeted for residential water supply (with yields of 5-15+ GPM). Bedrock (limestone or basalt) is typically reached between 120-160 ft; deeper, high-capacity wells may be completed into fractured bedrock. The static water level is most commonly reported between 25-55 ft. Wells are usually drilled with rotary mud circulation, cased from surface to at least the uppermost gravel zones, and grouted with cement.

Expected Geological Layers

Depth (Feet)Formation TypeDescriptionCharacteristics
06 ftSoil/GravelTopsoil, occasional gravel/loam with minor siltColor: Brown/gray
Hardness: Soft
660 ftSilty Clay and Fine SandSilty clay with thin beds of sand and silt, some gravelsColor: Gray, brown, tan
Hardness: Firm
60130 ftSand and Gravel (Water-Bearing)Coarse sand, gravel, minor cobbles; major water yielding zoneColor: Gray, tan
Hardness: Loose to medium
130160 ftFractured Bedrock (Limestone/Basalt)Weathered to fractured limestone or basalt, occasional clay seamsColor: Gray-black
Hardness: Hard