Gerlofs, J.
Recorded as the driller on 72 water wells across 10 Minnesota counties in the Minnesota County Well Index (CWI), maintained by the Minnesota Geological Survey and the Minnesota Department of Health, most in Clearwater County. Well-log records span 1960–2024.
Counties served
Wells drilled by Gerlofs, J., by county, across the full record.
| County | Wells drilled |
|---|---|
| Clearwater County | 32 |
| Beltrami County | 13 |
| Polk County | 12 |
| Red Lake County | 5 |
| Pennington County | 3 |
| Norman County | 2 |
| Becker County | 2 |
| Mahnomen County | 1 |
| Hubbard County | 1 |
| Marshall County | 1 |
Well characteristics
Across the wells Gerlofs, J. has drilled, the median depth is 92 ft (middle half 66 ft–130 ft), median tested yield 40 gpm, and median static water level 26 ft below ground surface. These summarize the company's own filed logs, not a marketing claim.
Original drilling logs
Recent well logs filed by Gerlofs, J., straight from the public MGS/MDH record:
"Records span 1960–2024" refers to the earliest and latest well logs attributed to this company in the MGS/MDH database — the state digitized older paper logs, so the first date is the oldest record on file, not necessarily the company's founding year.
Free. Goes to licensed drillers working Clearwater County, including Gerlofs, J..
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