St. Charles County, Missouri
Hydrologic Unit Code 07110009
Latitude 38°43'04", Longitude 90°44'18"
NAD27
Land-surface elevation 528 feet above NGVD29
Spring discharges from the Mississippian aquifers (N500MSSPPI) national aquifer.
Spring discharges from the Keokuk-Burlington Limestones, Undifferentiated (338KKKB) local aquifer.