Well Drillers Near McMillan, Michigan
Typical McMillan wells penetrate a surficial sand or sand/clay layer, followed by significant clay or clay-mixed intervals, then transition to limestone bedrock or thick sand and gravel below 30–50 feet, with water commonly found at the sand/gravel or bedrock interface.
Showing contractors within 60 miles of McMillan. 4 results found.
- Typical depth
- 65 ft
- Water table
- 30 ft
- Contractors
- 4
4 Contractors
Kopecky Well Drilling-Pump Services
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A geological estimate for the McMillan area.
- Typical Well Depth
- 65 ft
- Static Water Level
- 30 ft
- Recommended Method
- Rotary - Mud Circulation
Detailed Summary
Most wells in the McMillan, MI region begin with several feet of sand (often mixed with clay or silt), underlain by sequences of clay and interbedded sand/gravel. Around 30–50 feet, wells either encounter limestone bedrock or enter thick sand and gravel aquifers. Deeper wells (100+ ft) are typically drilled into limestone or extended sand zones. The static water level is generally shallow when in proximity to lakes or wetlands, but can be deeper (30–80+ ft) in uplands. Most household wells target zones between 35 and 90 ft for reliable yields of 10–20 GPM, while high-capacity wells may be deeper or extend into larger bedrock or coarse gravel layers.
Expected Geological Layers
| Depth (Feet) | Formation Type | Description | Characteristics |
|---|---|---|---|
| 0 – 2 ft | Sand/Topsoil | Brown or sandy topsoil, sometimes with a trace of silt. | Color: Brown/Tan Hardness: Soft |
| 2 – 10 ft | Sand and/or Clay | Fine to medium sand sometimes intermixed with sandy clay; minor stones or silt. | Color: Tan/Gray Hardness: Soft to firm |
| 10 – 30 ft | Clay with sand/gravel beds | Primarily gray or red clay, with intervals/lenses of sand and occasional stones/gravel. Locally can be silty. | Color: Gray/Red/Tan Hardness: Firm to hard |
| 30 – 50 ft | Sand & Gravel or Clay | Zone varies locally: often a coarser sand and gravel aquifer with minor clay lenses OR continued clay with thin sand seams. This interval is key for water supply. | Color: Tan/Gray Hardness: Loose to firm |
| 50 – 90 ft | Limestone or Thick Sand & Gravel | Transition to gray or brown limestone (where present) OR thick sand and gravel (some wells). Productive water zone. | Color: Gray/Brown/Tan Hardness: Hard (rock) or loose (sand) |
| 90 – 140 ft | Limestone Bedrock or Deep Sand | Where drilled deeper, continuing limestone bedrock or, in places, further deep sand units. Limited data at greater depths. | Color: Gray Hardness: Hard |