Donamarc Water Systems Co.
Recorded as the driller on 2,417 water wells across 19 Ohio counties in the Ohio Department of Natural Resources (ODNR) Division of Geological Survey water-well log database, most in Stark County. Well-log records span 1941–2026.
Counties served
Wells drilled by Donamarc Water Systems Co., by county, across the full record.
| County | Wells drilled |
|---|---|
| Stark County | 1,056 |
| Summit County | 947 |
| Portage County | 159 |
| Medina County | 138 |
| Wayne County | 49 |
| Tuscarawas County | 18 |
| Geauga County | 13 |
| Columbiana County | 12 |
| Mahoning County | 6 |
| Carroll County | 5 |
| Cuyahoga County | 5 |
| Jefferson County | 2 |
…and 7 more Ohio counties.
Well characteristics
Across the wells Donamarc Water Systems Co. has drilled, the median depth is 120 ft (middle half 90 ft–170 ft), median tested yield 15 gpm, and median static water level 39 ft below ground surface. These summarize the company's own filed logs, not a marketing claim.
Original drilling logs
Recent well logs filed by Donamarc Water Systems Co., straight from the public ODNR record:
"Records span 1941–2026" refers to the earliest and latest well logs attributed to this company in the ODNR database — the state digitized older paper logs, so the first date is the oldest record on file, not necessarily the company's founding year.
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