Michigan Well Data › Washtenaw County
Washtenaw County, Michigan: well depth, water level & drilling cost
✓ 31,821 Wellogic records · verified 2026-08-13
How deep are wells in Washtenaw County, Michigan?
The median drilled well depth in Washtenaw County is 92 ft, based on 31,744 wells with recorded depths in the state Wellogic database. Half of all wells fall between 67 ft and 130 ft; 90% are shallower than 172 ft. Wells drilled since 2016 have a median depth of 98 ft.
How much does it cost to drill a well in Washtenaw County?
Applying published per-foot rates to the local median depth of 98 ft: drilling and casing alone typically runs $2,450–$6,370; a complete system including pump, pressure tank, and hookup typically runs $5,880–$9,800. Actual quotes depend on site access, geology, and casing requirements.
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What is the static water level in Washtenaw County?
The median static water level is 30 ft below ground surface (middle half of wells: 16 ft–47 ft), from 31,002 measurements.
How much water do wells in Washtenaw County produce?
The median tested yield is 15 gpm (middle half: 12 gpm–27 gpm), from 26,764 pump tests. A typical household needs 5–10 gpm.
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Drilled depth distribution
Who drills wells in Washtenaw County?
Drillers by number of wells completed in this county since 2016, per filed well records (EGLE Wellogic); shown by registered well-driller number.
| Driller | Wells since 2016 |
|---|---|
| Cribley Drilling Co Inc | 2,646 |
| Keller Well Drilling Inc | 214 |
| Lic. #81-2591 | 204 |
| Adams Well Drilling, Inc. | 184 |
| Gordon & Sons Water | 131 |
| Lic. #47-1861 | 98 |
| Ed Birkmeier Well | 51 |
| Fox & Boley Well | 28 |
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Median depth, water level, and yield for each ZIP code with recorded wells.
- Dexter (48130) — 3,652 wells, median 87 ft
- Saline (48176) — 3,575 wells, median 96 ft
- Ann Arbor (48103) — 3,184 wells, median 102 ft
- Whitmore Lake (48189) — 3,066 wells, median 74 ft
- Chelsea (48118) — 2,946 wells, median 80 ft
- Milan (48160) — 2,320 wells, median 110 ft
- Ann Arbor (48105) — 2,240 wells, median 111 ft
- Manchester (48158) — 1,930 wells, median 100 ft
- Ypsilanti (48197) — 1,401 wells, median 73 ft
- Plymouth (48170) — 867 wells, median 97 ft
- Ann Arbor (48108) — 583 wells, median 141 ft
- Ypsilanti (48198) — 532 wells, median 97 ft
- Willis (48191) — 445 wells, median 100 ft
- Ann Arbor (48104) — 255 wells, median 110 ft
- Salem (48175) — 63 wells, median 100 ft
Method: medians computed from Wellogic records (water-supply wells only (household, irrigation, industrial, Type I/II/III public supply) — heat-pump, test and unclassified wells excluded; depths 0–5,000 ft). Cost estimate applies published per-foot ranges (checked 2026-06-11) to the local median depth — full methodology & sources.