Japp, A.
Recorded as the driller on 274 water wells across 16 Minnesota counties in the Minnesota County Well Index (CWI), maintained by the Minnesota Geological Survey and the Minnesota Department of Health, most in Morrison County. Well-log records span 1997–2025.
Counties served
Wells drilled by Japp, A., by county, across the full record.
| County | Wells drilled |
|---|---|
| Morrison County | 103 |
| Crow Wing County | 56 |
| Todd County | 40 |
| Cass County | 28 |
| Aitkin County | 21 |
| Wadena County | 6 |
| Pine County | 4 |
| Mille Lacs County | 4 |
| Carlton County | 3 |
| Benton County | 2 |
| Otter Tail County | 2 |
| Wright County | 1 |
Show all 16 counties
| Itasca County | 1 |
| Meeker County | 1 |
| Hubbard County | 1 |
| St. Louis County | 1 |
Well characteristics
Across the wells Japp, A. has drilled, the median depth is 96 ft (middle half 61 ft–142 ft), median tested yield 13 gpm, and median static water level 19 ft below ground surface. These summarize the company's own filed logs, not a marketing claim.
Original drilling logs
Recent well logs filed by Japp, A., straight from the public MGS/MDH record:
"Records span 1997–2025" 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 Morrison County, including Japp, A..
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