Well Drillers Near Negaunee, Michigan

A geological estimate for the Negaunee area.

Detailed Summary

Across Negaunee and adjacent Marquette County townships, household wells most frequently encounter an upper layer of clay or silty clay (often 10–20 feet thick), transitioning into alternating beds of sand and gravel (typically 20–60 feet thick in total). Below this, finer sand, sand-silt, or sandy clay units may occur down to 70–100 feet, followed in some wells by additional clay or occasional gravel and sand interbeds to depths of about 90–100 ft. Deeper wells, especially those going beyond 150–200 feet, sometimes reach consolidated materials (iron formation or hard granite). The sequence is dominated by unconsolidated Quaternary deposits, with high variability expected at a fine scale, but with the following profile being most typical based on collected well logs. A typical residential well with 5–15+ GPM yield is completed between 60 and 100 ft in the coarse sand and gravel, while high-capacity wells may be drilled deeper, sometimes to 200–300 ft or more.

Expected Geological Layers