Latitude 41°57'12", Longitude 88°05'30" NAD27
Dupage County, Illinois , Hydrologic Unit 07120004
Well depth: 220 feet Hole depth: 220 feet
Land surface altitude: 790
feet above NGVD29.
Well completed in "Silurian-Devonian aquifers" (N400SLRDVN) national aquifer.
Well completed in "Silurian System" (350SLRN) local aquifer