Zoellner Central Well Drilling
Recorded as the driller on 1,191 water wells across 14 Wisconsin counties in the Wisconsin Department of Natural Resources Groundwater Retrieval Network (GRN) well-construction records, most in Green Lake County. Well-log records span 1986–1997.
Counties served
Wells drilled by Zoellner Central Well Drilling, by county, across the full record.
| County | Wells drilled |
|---|---|
| Green Lake County | 402 |
| Fond Du Lac County | 225 |
| Dodge County | 215 |
| Columbia County | 134 |
| Winnebago County | 74 |
| Marquette County | 65 |
| Waushara County | 32 |
| Dane County | 19 |
| Sauk County | 12 |
| Washington County | 7 |
| Jefferson County | 3 |
| Shawano County | 1 |
…and 2 more Wisconsin counties.
Well characteristics
Across the wells Zoellner Central Well Drilling has drilled, the median depth is 159 ft (middle half 131 ft–202 ft), median tested yield 15 gpm, and median static water level 36 ft below ground surface. These summarize the company's own filed logs, not a marketing claim.
Original drilling logs
Recent well logs filed by Zoellner Central Well Drilling, straight from the public WI DNR record:
"Records span 1986–1997" refers to the earliest and latest well logs attributed to this company in the WI DNR 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 for property owners. We route your request only to licensed drillers who actually file well logs in Green Lake County — never sold elsewhere.
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