⟁ Ohio Well Data field records · 2026 survey

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G H Bierly Inc.

Recorded as the driller on 4,076 water wells across 24Ohiocounties in the Ohio Department of Natural Resources (ODNR) Division of Geological Survey water-well log database, most in Allen County. Well-log records span 1925–2026.

4,076wells on record
437since 2022
24counties served
77 ftmedian depth

Counties served

Wells drilled by G H Bierly Inc., by county, across the full record.

CountyWells drilled
Allen County2,398
Hardin County831
Hancock County278
Auglaize County189
Logan County189
Putnam County65
Van Wert County35
Wyandot County14
Marion County12
Wood County12
Union County9
Mercer County9
Show all 24counties
Henry County6
Sandusky County6
Shelby County5
Seneca County5
Portage County4
Paulding County2
Lucas County2
Franklin County1
Darke County1
Champaign County1
Summit County1
Defiance County1

Well characteristics

Across the wells G H Bierly Inc. has drilled, the median depth is 77 ft (middle half 59 ft–110 ft), median tested yield 20 gpm, and median static water level 25 ft below ground surface. These summarize the company's own filed logs, not a marketing claim.

Original drilling logs

Recent well logs filed by G H Bierly Inc., straight from the public ODNR record:

"Records span 1925–2026" 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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