Efflandt, Herman John
Recorded as the driller on 185 water wells across 4Illinoiscounties in the Illinois State Geological Survey water well records, most in Cook County. Well-log records span 1964–1995.
Counties served
Wells drilled by Efflandt, Herman John, by county, across the full record.
| County | Wells drilled |
|---|---|
| Cook County | 88 |
| Lake County | 72 |
| Mchenry County | 18 |
| Kane County | 7 |
Well characteristics
Across the wells Efflandt, Herman John has drilled, the median depth is 220 ft (middle half 170 ft–260 ft), median tested yield 12 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 Efflandt, Herman John, straight from the public ISGS record:
"Records span 1964–1995" 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.
Free. Goes to licensed drillers working Cook County, including Efflandt, Herman John.
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This page is built from the public ISGS well-log record and helps property owners find a driller. Claim it (free) to confirm the details are right and give customers a way to reach you.
This directory helps property owners find a driller, using public ISGS records. Claim your page to confirm the details are accurate and give customers a way to reach you. Free — reviewed before anything goes live.