⟁ Wisconsin Well Data field records · 2026 survey

Wisconsin Well Data › Marathon County › Colby (54421)

Colby, WI (54421): well depth, water level & drilling cost

✓ 490 WI DNR records · Marathon County

140 ftmedian well depth
78 ft–180 fttypical depth range
16 ftmedian static water level
7 gpmmedian yield (225 tests)

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How deep are wells in and around Colby (54421), Wisconsin?

The median drilled well depth in and around Colby (54421) is 140 ft, based on 236 wells with recorded depths in the state WI DNR database. Half fall between 78 ft and 180 ft; 90% are shallower than 200 ft.

How much does it cost to drill a well in and around Colby (54421)?

Applying published per-foot rates to the local median depth of 140 ft: drilling and casing alone typically runs $3,500–$9,100; a complete system including pump, pressure tank, and hookup typically runs $8,400–$14,000. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Colby (54421)?

The median static water level is 16 ft below ground surface (middle half of wells: 10 ft–21 ft), from 227 measurements.

Drilled depth distribution

0–50 ft 12 50–100 ft 72 100–150 ft 60 150–200 ft 52 200–300 ft 35 300–400 ft 5 400–600 ft 0 600+ ft 0
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Part of Marathon County well records.

Method: medians computed from WI DNR records (drilled water wells (well-construction reports) — geothermal loop/heat-exchange, anode, test and dry holes excluded; depths 0–5,000 ft), grouped by ZIP from the recorded address. Cost estimate applies published per-foot ranges to the local median depth — full methodology & sources.