Latitude 41°19'46", Longitude 88°53'53" NAD27
Lasalle County, Illinois , Hydrologic Unit 07130001
Well depth: 345 feet Land surface altitude: 460
feet above NGVD29.
Well completed in "Cambrian-Ordovician aquifer system" (S300CAMORD) national aquifer.
Well completed in "Ordovician System" (360ODVC) local aquifer