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Well Drillers Near Sparta, Wisconsin

Typical Sparta-area wells encounter a surficial sand or sandy loam, with thick, regionally-persistent sandstone forming the main aquifer. Minor discontinuous clay or clayey sand layers may occasionally interrupt the sand or sandstone but are not regionally dominant.

Showing contractors within 60 miles of Sparta. 30 results found.

Kouba Group logo

Kouba Group

325 S Park St #2, Reedsburg, WI 53959

Phone: +1 866-799-1199
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View Local Geology Report ▼

A geological estimate for the Sparta area.

95 ft

Typical Well Depth

34 ft

Static Water Level

Rotary - Mud Circulation

Recommended Method

Detailed Summary

The representative Sparta-area geological profile comprises an unconsolidated surficial layer (sand, sandy loam, or clay) usually 10–21 feet thick, underlain by a moderately thick to very thick interval of saturated sand (where deep alluvium/glacial fill is present) or direct transition into sandstone bedrock. Sandstone is the persistent and dominant water-bearing formation, usually encountered from 18–21 feet and extending to well depths beyond 90–115 feet. Minor, localized clay or clayey sand or occasional gravel may appear between the unconsolidated surface and the main sandstone aquifer. Groundwater is generally encountered within the sandstone at moderate static levels. The average casing depth is 55–60 feet, and residential wells are typically completed between 73–117 feet. Rotary - Mud Circulation is the prevalent construction method, with cement or neat cement grout use for sealing.

Expected Geological Layers

Depth (Feet)Formation TypeDescriptionCharacteristics
0 – 19 ftSand/Sandy Loam/ClayUnconsolidated surficial unit, often sand or sandy loam; may include clay or mixed sand and clay in some areas.Color: Tan/Brown/Gray/White (varies between logs)
Hardness: Loose to Firm
19 – 85 ftSand/Sandstone transitionSaturated sand (sometimes with minor clay, clayey sand, or gravel beds); this interval is thickest where alluvium/glacial deposits persist.Color: Tan/Brown/White/Gray
Hardness: Loose to Firm
85 – 117 ftSandstoneMassive sandstone—regionally extensive, main aquifer, most wells are completed in this unit.Color: White/Tan/Gray
Hardness: Hard/Firm