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Well Drillers Near Gays Mills, Wisconsin

Typical Gays Mills area wells pass through a thin surficial clay layer, underlain by substantial limestone/dolomite, then significant shale and/or sandstone, with water yields primarily sourced from the limestone/dolomite and upper sandstone.

Showing contractors within 60 miles of Gays Mills. 23 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 Gays Mills area.

225 ft

Typical Well Depth

180 ft

Static Water Level

Rotary - Mud Circulation

Recommended Method

Detailed Summary

Based on regional well logs, the most common sequence begins with a few feet of clay or soil, followed by a thick zone of limestone/dolomite (with some broken/creviced and softer sections), transitioning to either shale or sandstone. In deeper wells, hard shale generally underlies the limestone, with hard sandstone sometimes beneath the shale. Typical residential wells are cased past the thick limestone and into upper shale/sandstone, with static water levels and yields suitable for household supply (5-20 GPM). High-capacity wells may be drilled deeper into basal sandstones.

Expected Geological Layers

Depth (Feet)Formation TypeDescriptionCharacteristics
0 – 6 ftClay/SoilRed to brown clay, dirt, or silty soil, occasionally with loose rock.Color: Brown/red
Hardness: Soft
6 – 100 ftLimestone/DolomiteMainly limestone/dolomite, variable zones of broken/creviced and soft/loose limestone, can include hard segments; major aquifer.Color: Light gray to tan
Hardness: Hard
100 – 200 ftShale (occasional voids/transition zones)Shale, often with transition from fractured limestone or minor sandstone/voids.Color: Yellow/gray
Hardness: Medium to soft
200 – 250 ftSandstoneFine to medium sandstone, sometimes interbedded with shale, upper part often yields good water.Color: White/tan
Hardness: Medium-hard
250 – 330 ftHard Shale/Hardened SandstoneHard shale and/or hard, cemented sandstone, often deeper zones in high-capacity wells.Color: Gray
Hardness: Hard