⟁ Illinois Well Data field records · 2026 survey

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Comar Drilling Co., Inc.

Recorded as the driller on 94 water wells across 6Illinoiscounties in the Illinois State Geological Survey water well records, most in Will County. Well-log records span 1946–2014.

94wells on record
—since 2022
6counties served
170 ftmedian depth

Counties served

Wells drilled by Comar Drilling Co., Inc., by county, across the full record.

CountyWells drilled
Will County57
Lasalle County17
Cook County16
Grundy County2
Kendall County1
Lake County1

Well characteristics

Across the wells Comar Drilling Co., Inc. has drilled, the median depth is 170 ft (middle half 140 ft–255 ft), median tested yield 10 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 Comar Drilling Co., Inc., straight from the public ISGS record:

"Records span 1946–2014" 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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