⟁ Illinois Well Data field records · 2026 survey

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Tyrrell R W

Recorded as the driller on 161 water wells across 2Illinoiscounties in the Illinois State Geological Survey water well records, most in Dekalb County. Well-log records span 1967–1979.

161wells on record
—since 2022
2counties served
170 ftmedian depth

Counties served

Wells drilled by Tyrrell R W, by county, across the full record.

CountyWells drilled
Dekalb County133
Kane County28

Well characteristics

Across the wells Tyrrell R W has drilled, the median depth is 170 ft (middle half 154 ft–215 ft), median tested yield 25 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 Tyrrell R W, straight from the public ISGS record:

"Records span 1967–1979" 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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