Hepp, Frank D. Jr.
Recorded as the driller on 684 water wells across 14 Illinois counties in the Illinois State Geological Survey water well records, most in Randolph County. Well-log records span 1971–2008.
Counties served
Wells drilled by Hepp, Frank D. Jr., by county, across the full record.
| County | Wells drilled |
|---|---|
| Randolph County | 246 |
| Jackson County | 182 |
| Perry County | 108 |
| Washington County | 99 |
| Pulaski County | 15 |
| Williamson County | 11 |
| St. Clair County | 8 |
| Franklin County | 4 |
| Clinton County | 3 |
| Jefferson County | 3 |
| Alexander County | 2 |
| Gallatin County | 1 |
…and 2 more Illinois counties.
Well characteristics
Across the wells Hepp, Frank D. Jr. has drilled, the median depth is 166 ft (middle half 97 ft–264 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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