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Well Drillers Near Brookfield, Wisconsin

Typical Brookfield-area wells encounter an upper clay or hardpan layer, followed by sequences of sand and gravel, with deeper limestone, shale, or more consolidated units in some cases. Most residential wells target sand/gravel aquifers or shallow limestone and are cased to similar depths.

Showing contractors within 60 miles of Brookfield. 44 results found.

C&C Pumps logo

C&C Pumps

1480 WI, Hartford, WI 53027

Phone: (262) 789-7334
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View Local Geology Report ▼

A geological estimate for the Brookfield area.

150 ft

Typical Well Depth

35 ft

Static Water Level

Rotary - Mud Circulation

Recommended Method

Detailed Summary

Based on a synthesis of the sampled well logs from the greater Brookfield region, the representative geological profile consists of an upper unconsolidated clay (brown/blue) or hardpan, overlying thick sequences of sand and gravel (occasionally with interbeds of clay or hardpan), and in some areas followed by limestone or shale bedrock at depth. The majority of productive residential wells target the sand/gravel zones or the top of limestone, with typical casing set through the most unconsolidated intervals. Average static water levels are moderate (20-40 ft bgs), and standard residential well completions target a total depth of approximately 125-200 ft, while higher capacity wells may extend to 250+ ft. Casing is typically set through all unconsolidated overburden. Drilling is most commonly by rotary mud circulation, and grouting is generally with bentonite or cement.

Expected Geological Layers

Depth (Feet)Formation TypeDescriptionCharacteristics
0 – 10 ftClayBrown to blue clay, occasionally stony, forming a confining upper layer; may include some hardpan or silt. Generally non-caving.Color: Brown/Blue
Hardness: Soft
10 – 60 ftSand and Gravel (with localized clay/hardpan interbeds)Interbedded sand, gravel, and local thin clay or hardpan; primary aquifer zone in most wells. Some local variation in texture.Color: Buff/Gray/Brown
Hardness: Loose to medium
60 – 130 ftSand and Gravel / Hardpan / Gravel & ClayContinued sand/gravel with possible localized hardpan or clay-rich beds; transition to deeper, more consolidated deposits.Color: Buff/Brown/Gray
Hardness: Medium to firm
130 – 200 ftLimestone (locally; or continued sand/gravel with clay)Where present, limestone (sometimes hard/shale); otherwise, thick sand and gravel with possible fine-grained interbeds.Color: Gray/Tan
Hardness: Hard (if limestone); firm otherwise
200 – 265 ftShale/Siltstone or Sand & Gravel (deep high-capacity wells)Deeper wells may encounter shale or persistent sand/gravel. Not always reached by residential wells.Color: Gray/Brown
Hardness: Soft to medium