Latitude 38°41'18", Longitude 90°42'54" NAD27
St. Charles County, Missouri , Hydrologic Unit 10300200
Land surface altitude: 490
feet above NGVD29.
Spring discharges from "Cambrian-Ordovician aquifer system" (S300CAMORD) national aquifer.
Spring discharges from "Ordovician System" (360ODVC) local aquifer