⟁ Illinois Well Data field records · 2026 survey

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Hepp, Frank D. Jr.

Recorded as the driller on 719 water wells across 14Illinoiscounties in the Illinois State Geological Survey water well records, most in Randolph County. Well-log records span 1971–2008.

719wells on record
—since 2022
14counties served
167 ftmedian depth

Counties served

Wells drilled by Hepp, Frank D. Jr., by county, across the full record.

CountyWells drilled
Randolph County265
Jackson County187
Perry County112
Washington County101
Pulaski County16
Williamson County15
St. Clair County8
Franklin County4
Jefferson County3
Clinton County3
Alexander County2
Union County1
Show all 14counties
Gallatin County1
Hamilton County1

Well characteristics

Across the wells Hepp, Frank D. Jr. has drilled, the median depth is 167 ft (middle half 97 ft–265 ft), median tested yield 10 gpm, and median static water level — below ground surface. These summarize the company's own filed logs, not a marketing claim.

Original drilling logs

Recent well logs filed by Hepp, Frank D. Jr., straight from the public ISGS record:

"Records span 1971–2008" refers to the earliest and latest well logs attributed to this company in the ISGS 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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