Latitude 40°54'58.4", Longitude 87°48'46.5" NAD83 Iroquois County, Illinois, Hydrologic Unit 07120002
Land surface altitude: 630 feet above sea level NGVD29. Well completed in "Sand and gravel aquifers (glaciated regions)" (N100GLCIAL) national aquifer. Well completed in "QUATERNARY SYSTEM" (110QRNR) local aquifer