Latitude 38°44'22.2", Longitude 90°42'06.8" NAD83 St Charles County, Missouri, Hydrologic Unit 07110009
Land surface altitude: 475 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