Michigan Well Data › Washtenaw County
Washtenaw County, Michigan: well depth, water level & drilling cost
✓ 31,868 Wellogic records · verified 2026-09-28
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How deep are wells in Washtenaw County, Michigan?
The median drilled well depth in Washtenaw County is 92 ft, based on 31,791 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.
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 31,048 measurements.
How much water do wells in Washtenaw County produce?
The median tested yield is 15 gpm (middle half: 12 gpm–27 gpm), from 26,807 pump tests. A typical household needs 5–10 gpm.
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 | 2,684 |
| Keller Well Drilling Inc | 214 |
| Lic. #81-2591 | 204 |
| Adams Well Drilling, Inc. | 190 |
| Gordon & Sons Water | 131 |
| Lic. #47-1861 | 98 |
| Ed Birkmeier Well | 51 |
| Fox & Boley Well | 28 |
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Well records by ZIP code in Washtenaw County
Median depth, water level, and yield for each ZIP code with recorded wells.
- Saline (48176) — 4,197 wells, median 98 ft
- Dexter (48130) — 4,182 wells, median 86 ft
- Chelsea (48118) — 3,424 wells, median 80 ft
- Whitmore Lake (48189) — 3,401 wells, median 74 ft
- Ann Arbor (48103) — 3,344 wells, median 103 ft
- Ann Arbor (48105) — 2,484 wells, median 111 ft
- Milan (48160) — 2,451 wells, median 110 ft
- Manchester (48158) — 2,184 wells, median 100 ft
- Ypsilanti (48197) — 1,565 wells, median 74 ft
- Plymouth (48170) — 883 wells, median 98 ft
- Ann Arbor (48108) — 648 wells, median 138 ft
- Ypsilanti (48198) — 587 wells, median 96 ft
- Willis (48191) — 521 wells, median 99 ft
- Salem (48175) — 391 wells, median 97 ft
- Ann Arbor (48104) — 279 wells, median 110 ft
- Ann Arbor (48106) — 275 wells, median 118 ft
- Bridgewater (48115) — 133 wells, median 88 ft
- Whittaker (48190) — 97 wells, median 80 ft
- Norvell (49263) — 67 wells, median 111 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.