⟁ Pennsylvania Well Records field records · 2026 survey

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Mills Well Drilling, LLC

Recorded as the driller on 1,003 water wells across 4Pennsylvaniacounties in the Pennsylvania Groundwater Information System (PaGWIS), published by the PA Department of Conservation and Natural Resources, most in Chester County. Well-log records span 1944–2022.

1,003wells on record
3since 2022
4counties served
305 ftmedian depth

Counties served

Wells drilled by Mills Well Drilling, LLC, by county, across the full record.

CountyWells drilled
Chester County891
Lancaster County29
Delaware County10
Erie County2

Well characteristics

Across the wells Mills Well Drilling, LLC has drilled, the median depth is 305 ft (middle half 235 ft–350 ft), median tested yield 16 gpm, and median static water level 31 ft below ground surface. These summarize the company's own filed logs, not a marketing claim.

Original drilling logs

Recent well logs filed by Mills Well Drilling, LLC, straight from the public DCNR record:

"Records span 1944–2022" 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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