Michigan Well Data › St. Clair County
St. Clair County, Michigan: well depth, water level & drilling cost
✓ 15,115 Wellogic records · verified 2026-09-28
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How deep are wells in St. Clair County, Michigan?
The median drilled well depth in St. Clair County is 107 ft, based on 15,072 wells with recorded depths in the state Wellogic database. Half of all wells fall between 73 ft and 134 ft; 90% are shallower than 162 ft. Wells drilled since 2016 have a median depth of 103 ft.
How much does it cost to drill a well in St. Clair County?
Applying published per-foot rates to the local median depth of 103 ft: drilling and casing alone typically runs $2,575–$6,695; a complete system including pump, pressure tank, and hookup typically runs $6,180–$10,300. Actual quotes depend on site access, geology, and casing requirements.
What is the static water level in St. Clair County?
The median static water level is 30 ft below ground surface (middle half of wells: 15 ft–40 ft), from 14,512 measurements.
How much water do wells in St. Clair County produce?
The median tested yield is 10 gpm (middle half: 6 gpm–15 gpm), from 14,559 pump tests. A typical household needs 5–10 gpm.
Drilled depth distribution
Who drills wells in St. Clair 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 |
|---|---|
| David Pieprzak | 342 |
| Welser Well Drilling | 337 |
| A & B Well Drilling | 194 |
| Ries Well Drilling Inc | 119 |
| Peltiers Well Drilling | 97 |
| Lic. #50-1719 | 80 |
| Barrett's Well Drilling | 66 |
| Metamora Water | 66 |
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Well records by ZIP code in St. Clair County
Median depth, water level, and yield for each ZIP code with recorded wells.
- Saint Clair (48079) — 1,441 wells, median 117 ft
- Smiths Creek (48074) — 1,353 wells, median 118 ft
- Columbus (48063) — 1,194 wells, median 89 ft
- North (48049) — 1,193 wells, median 134 ft
- Casco (48064) — 1,022 wells, median 109 ft
- Avoca (48006) — 996 wells, median 88 ft
- 48041 — 964 wells, median 70 ft
- Allenton (48002) — 948 wells, median 68 ft
- Goodells (48027) — 937 wells, median 77 ft
- East China (48054) — 912 wells, median 128 ft
- Yale (48097) — 821 wells, median 90 ft
- Capac (48014) — 689 wells, median 97 ft
- Emmett (48022) — 662 wells, median 67 ft
- Marine City (48039) — 554 wells, median 136 ft
- Jeddo (48032) — 534 wells, median 122 ft
- Fort Gratiot (48059) — 522 wells, median 118 ft
- Fair Haven (48023) — 249 wells, median 115 ft
- Port Huron (48060) — 152 wells, median 118 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.