Latitude 38°46'46.0", Longitude 90°37'55.0" NAD83 St Charles County, Missouri, Hydrologic Unit 07110009
Land surface altitude: 455 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