Latitude 38°43'23.5", Longitude 90°40'58.5" NAD83 St Charles County, Missouri, Hydrologic Unit 07110009
Land surface altitude: 515 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