⟁ Ohio Well Data field records · 2026 survey

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Underhill Well & Pump Co. LLC

Recorded as the driller on 520 water wells across 14Ohiocounties in the Ohio Department of Natural Resources (ODNR) Division of Geological Survey water-well log database, most in Madison County. Well-log records span 1949–2026.

520wells on record
91since 2022
14counties served
110 ftmedian depth

Counties served

Wells drilled by Underhill Well & Pump Co. LLC, by county, across the full record.

CountyWells drilled
Madison County280
Franklin County78
Union County65
Champaign County31
Clark County24
Fayette County9
Pickaway County7
Licking County7
Delaware County6
Fairfield County5
Logan County5
Clinton County1
Show all 14counties
Greene County1
Morrow County1

Well characteristics

Across the wells Underhill Well & Pump Co. LLC has drilled, the median depth is 110 ft (middle half 82 ft–150 ft), median tested yield 20 gpm, and median static water level 33 ft below ground surface. These summarize the company's own filed logs, not a marketing claim.

Original drilling logs

Recent well logs filed by Underhill Well & Pump Co. LLC, straight from the public ODNR record:

"Records span 1949–2026" 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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