⟁ Illinois Well Data field records · 2026 survey

← All Illinois drillers

Bolliger, William

Recorded as the driller on 41 water wells across 9Illinoiscounties in the Illinois State Geological Survey water well records, most in Woodford County. Well-log records span 1941–1982.

41wells on record
—since 2022
9counties served
130 ftmedian depth

Counties served

Wells drilled by Bolliger, William, by county, across the full record.

CountyWells drilled
Woodford County23
Ford County5
Iroquois County4
Mclean County3
Livingston County2
Macon County1
Peoria County1
Kankakee County1
Lasalle County1

Well characteristics

Across the wells Bolliger, William has drilled, the median depth is 130 ft (middle half 80 ft–186 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 Bolliger, William, straight from the public ISGS record:

"Records span 1941–1982" 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.

Need a well drilled in Woodford County?

Free. Goes to licensed drillers working Woodford County, including Bolliger, William.

Is this your company?

This page is built from the public ISGS well-log record and helps property owners find a driller. Claim it (free) to confirm the details are right and give customers a way to reach you.

Claim this page

This directory helps property owners find a driller, using public ISGS records. Claim your page to confirm the details are accurate and give customers a way to reach you. Free — reviewed before anything goes live.