Latitude 41°40'17", Longitude 89°55'53" NAD27
Whiteside County, Illinois , Hydrologic Unit 07090005
Well depth: 235 feet Land surface altitude: 640
feet above NGVD29.
Well completed in "Silurian-Devonian aquifers" (N400SLRDVN) national aquifer.
Well completed in "Silurian System" (350SLRN) local aquifer