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How Deep Are Wells in Allegan County, MI?
The median residential well in Allegan County is 86 ft deep, based on 7,667 completion reports filed with the Michigan Department of Environment, Great Lakes, and Energy (EGLE). Most fall between 44 and 162 ft; the deepest on record is 380 ft.
That is 15 ft shallower than the Michigan state-wide average of 101 ft (an n-weighted average across every Michigan county with reported data). Depth depends on local geology, your own site could sit well outside Allegan County's typical range.
Source and method: Michigan Department of Environment, Great Lakes, and Energy (EGLE) Wellogic statewide water-well database (Michigan GIS Open Data), extracted 2026-07-14. Figures include only wells recorded as residential (domestic) use, completed 2011 or later, with a reported depth between 15 and 2,000 ft (to exclude likely data-entry errors). EGLE notes Wellogic is not a complete record of every well in the state (well inclusion before 2000 varies by county) and the driller-submitted reports are not independently verified. These are figures self-reported by licensed drillers to the state; treat this as a planning reference, not a guarantee for any specific property.
Allegan County well depth at a glance
| Metric | Value |
|---|---|
| Median depth | 86 ft |
| Typical range (10th-90th pct) | 44-162 ft |
| Full range on record | 15-380 ft |
| Completion reports used | 7,667 |
| Michigan state-wide average (weighted) | 101 ft |
| Estimated drilling cost at county median | $2,150-$5,590 |
Cost estimate is the county median depth (86 ft) times HomeAdvisor's national $25-$65 per-foot drilling range, cited on our cost guide. It covers drilling only, not casing, pump, or pressure tank, and it is a planning range, not a quote. Try the well cost estimator with this county's median pre-filled as a starting point.
Frequently asked
How deep is a well in Allegan County, MI?
The median residential well in Allegan County is 86 ft deep, based on 7,667 completion reports filed with the Michigan Department of Environment, Great Lakes, and Energy (EGLE). Most wells fall between 44 and 162 ft; the deepest on record is 380 ft.
How much does it cost to drill a well in Allegan County?
Using the county's 86 ft median depth and the national $25-$65 per foot drilling range HomeAdvisor reports, a well drilled to the local median would run roughly $2,150 to $5,590 for drilling alone, before casing, pump, or pressure tank. That is a planning range, not a quote, get quotes from licensed local contractors for your property.
Who can drill a well in Allegan County, MI?
Check any contractor's current license status before hiring; requirements vary by state. See our guide on how to hire a licensed well driller, or browse listed contractors serving Michigan.
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See the full Michigan well depth by county table, or the guide to hiring a licensed well driller.