⟁ Illinois Well Data field records · 2026 survey

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Tri County Well & Pump

Recorded as the driller on 298 water wells across 11Illinoiscounties in the Illinois State Geological Survey water well records, most in Lasalle County. Well-log records span 1992–2017.

298wells on record
—since 2022
11counties served
160 ftmedian depth

Counties served

Wells drilled by Tri County Well & Pump, by county, across the full record.

CountyWells drilled
Lasalle County132
Will County96
Kankakee County33
Cook County10
Grundy County7
Lee County7
Kendall County5
Dekalb County4
Dupage County2
Peoria County1
Livingston County1

Well characteristics

Across the wells Tri County Well & Pump has drilled, the median depth is 160 ft (middle half 120 ft–240 ft), median tested yield 15 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 Tri County Well & Pump, straight from the public ISGS record:

"Records span 1992–2017" 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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