⟁ Illinois Well Data field records · 2026 survey

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Boysen, Henry Co.

Recorded as the driller on 350 water wells across 7Illinoiscounties in the Illinois State Geological Survey water well records, most in Lake County. Well-log records span 1926–2005.

350wells on record
—since 2022
7counties served
190 ftmedian depth

Counties served

Wells drilled by Boysen, Henry Co., by county, across the full record.

CountyWells drilled
Lake County244
Cook County65
Mchenry County29
Will County6
Boone County4
Dupage County1
Kane County1

Well characteristics

Across the wells Boysen, Henry Co. has drilled, the median depth is 190 ft (middle half 142 ft–264 ft), median tested yield 13 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 Boysen, Henry Co., straight from the public ISGS record:

"Records span 1926–2005" 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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