Rock-Well Well & Pump Service Inc
Kansasville, WI53139
The representative geological profile for the Kansasville region consists of surface soil/clay, a thick interbedded clay/hardpan sequence, overlying sand and/or sand & gravel, with limestone or dolomite bedrock present at greater depths in certain areas. The most productive residential wells are completed in thick sand & gravel or shallow fractured rock, typically at 120-180 ft depth.
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A geological estimate for the Kansasville area.
Typical Well Depth
Static Water Level
Recommended Method
Based on synthesis of multiple well logs across the Kansasville and surrounding Racine/Kenosha areas, the most typical stratigraphy consists of (1) a thin topsoil or organic layer, (2) a thick clay unit (often subdivided by color and consistency; blue, gray, yellow, sometimes with hardpan), (3) variable but regionally persistent sand and gravel aquifer, and in some wells, (4) fractured limestone or dolomite at depth. Productive residential wells (capable of 5-15+ GPM) are consistently finished in either the thicker sand & gravel zone or, for deeper completions, the upper portion of limestone. Static water levels are most commonly recorded between 30-80 ft below surface. Typical total well depths are 120-180 ft for sand/gravel, but may reach 200-345 ft if completed in bedrock.
Depth (Feet) | Formation Type | Description | Characteristics |
---|---|---|---|
0 – 2 ft | Topsoil/Organic | Thin surface soil or organic material. Occasionally reported as dark or organic-rich. | Color: Dark/Brown Hardness: Soft |
2 – 25 ft | Clay (Yellow/Brown/Tan) | Generally yellow, brown, or tan clay. Commonly soft to firm, locally contains silt or a minor hardpan. | Color: Yellow/Brown/Tan Hardness: Firm |
25 – 120 ft | Clay (Blue/Gray, often with Hardpan/Stoney) | Thick, blue or gray clay, often described as stoney or interbedded with hardpan at zones (often near 40-60 ft and/or 120-140 ft). Major confining unit, locally with some silty sand/silt. | Color: Blue/Gray Hardness: Firm/Hard |
120 – 135 ft | Hardpan/Clayey Hardpan | Clayey hardpan, often gray or consolidated; occasionally alternating with thin clay lenses. | Color: Gray/Tan Hardness: Hard |
135 – 180 ft | Sand & Gravel | Coarse sand, gravel, and locally some pea gravel or minor cobbles. Principle aquifer; highly productive, often with rapid water inflow. | Color: Varies (Tan/Gray/Yellow) Hardness: Loose/Unconsolidated |
180 – 200 ft | Clay with Gravel Lenses / Interbeds | In some wells, thin clay or intermixed clay and gravel lenses. May not be continuous regionally. | Color: Gray/Brown Hardness: Firm/Loose |
200 – 300 ft | Limestone/Dolomite | Fractured and hard limestone or dolomite, often called Niagara or Silurian dolomite regionally. May include thin zones of broken rock/gravel at top contact. | Color: Light Gray/Tan Hardness: Very Hard |