How many wells has Senffner, Keith drilled in Illinois?

Senffner, Keith appears as the driller of record on 210 wells in the Illinois State Geological Survey water well records, spanning records from 1998 to 2007.

What counties does Senffner, Keith work in?

Across the record, Senffner, Keith has drilled wells in 11 Illinois counties: Kane (66), Dupage (44), Cook (40), Will (32), Dekalb (15), Ogle (5), Kendall (2), Lee (2), Mchenry (2), Kankakee (1), Boone (1).

How deep are the wells Senffner, Keith drills?

The median depth of a well drilled by Senffner, Keith is 240 ft, with the middle half between 180 ft and 295 ft — based on 210 of their wells with recorded depths.

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Senffner, Keith

Recorded as the driller on 210 water wells across 11Illinoiscounties in the Illinois State Geological Survey water well records, most in Kane County. Well-log records span 1998–2007.

210wells on record

—since 2022

11counties served

240 ftmedian depth

Counties served

Wells drilled by Senffner, Keith, by county, across the full record.

County	Wells drilled
Kane County	66
Dupage County	44
Cook County	40
Will County	32
Dekalb County	15
Ogle County	5
Kendall County	2
Lee County	2
Mchenry County	2
Kankakee County	1
Boone County	1

Well characteristics

Across the wells Senffner, Keith has drilled, the median depth is 240 ft (middle half 180 ft–295 ft), median tested yield 20 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 Senffner, Keith, straight from the public ISGS record:

"Records span 1998–2007" 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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