⟁ Illinois Well Data field records · 2026 survey

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Snelten, Stephen A.

Recorded as the driller on 700 water wells across 6Illinoiscounties in the Illinois State Geological Survey water well records, most in Mchenry County. Well-log records span 1972–2010.

700wells on record
—since 2022
6counties served
200 ftmedian depth

Counties served

Wells drilled by Snelten, Stephen A., by county, across the full record.

CountyWells drilled
Mchenry County288
Lake County222
Cook County153
Kane County27
Dupage County7
Will County3

Well characteristics

Across the wells Snelten, Stephen A. has drilled, the median depth is 200 ft (middle half 155 ft–250 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 Snelten, Stephen A., straight from the public ISGS record:

"Records span 1972–2010" 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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