⟁ Pennsylvania Well Records field records · 2026 survey

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Gill Rock Drill Co. Inc.

Recorded as the driller on 114 water wells across 11Pennsylvaniacounties in the Pennsylvania Groundwater Information System (PaGWIS), published by the PA Department of Conservation and Natural Resources, most in Lebanon County. Well-log records span 1986–2018.

114wells on record
—since 2022
11counties served
55 ftmedian depth

Counties served

Wells drilled by Gill Rock Drill Co. Inc., by county, across the full record.

CountyWells drilled
Lebanon County34
Dauphin County15
Lancaster County13
Cumberland County11
York County10
Mifflin County5
Northampton County4
Union County4
Fulton County1
Northumberland County1
Warren County1

Well characteristics

Across the wells Gill Rock Drill Co. Inc. has drilled, the median depth is 55 ft (middle half 30 ft–129 ft), median tested yield 5 gpm, and median static water level 15 ft below ground surface. These summarize the company's own filed logs, not a marketing claim.

Original drilling logs

Recent well logs filed by Gill Rock Drill Co. Inc., straight from the public DCNR record:

"Records span 1986–2018" refers to the earliest and latest well logs attributed to this company in the DCNR 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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