How many wells has Brown, Darwin drilled in Illinois?

Brown, Darwin appears as the driller of record on 2,166 wells in the Illinois State Geological Survey water well records, spanning records from 1990 to 2015.

What counties does Brown, Darwin work in?

Across the record, Brown, Darwin has drilled wells in 11 Illinois counties: Kendall (1,037), Lasalle (588), Kane (198), Will (165), Dekalb (60), Grundy (51), Lee (26), Dupage (26), Livingston (11), Mchenry (3), Cook (1).

How deep are the wells Brown, Darwin drills?

The median depth of a well drilled by Brown, Darwin is 220 ft, with the middle half between 140 ft and 360 ft — based on 2,166 of their wells with recorded depths.

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Brown, Darwin

Recorded as the driller on 2,166 water wells across 11Illinoiscounties in the Illinois State Geological Survey water well records, most in Kendall County. Well-log records span 1990–2015.

2,166wells on record

—since 2022

11counties served

220 ftmedian depth

Counties served

Wells drilled by Brown, Darwin, by county, across the full record.

County	Wells drilled
Kendall County	1,037
Lasalle County	588
Kane County	198
Will County	165
Dekalb County	60
Grundy County	51
Lee County	26
Dupage County	26
Livingston County	11
Mchenry County	3
Cook County	1

Well characteristics

Across the wells Brown, Darwin has drilled, the median depth is 220 ft (middle half 140 ft–360 ft), median tested yield 30 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 Brown, Darwin, straight from the public ISGS record:

"Records span 1990–2015" 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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