Gray Well Drlg
Recorded as the driller on 35 water wells across 8Illinoiscounties in the Illinois State Geological Survey water well records, most in Cook County. Well-log records span 1913–1940.
Counties served
Wells drilled by Gray Well Drlg, by county, across the full record.
| County | Wells drilled |
|---|---|
| Cook County | 12 |
| Lake County | 6 |
| Will County | 5 |
| Kane County | 3 |
| Dupage County | 3 |
| Mchenry County | 3 |
| Whiteside County | 2 |
| Mercer County | 1 |
Well characteristics
Across the wells Gray Well Drlg has drilled, the median depth is 855 ft (middle half 310 ft–1,539 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 Gray Well Drlg, straight from the public ISGS record:
"Records span 1913–1940" 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.
Free. Goes to licensed drillers working Cook County, including Gray Well Drlg.
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.
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.