Water resources of the Kisatchie well-field area near Alexandria, Louisiana

Sands of Miocene, Pliocene(?), and Pleistocene age contain fresh-water in central Rapides Parish, La. In this area the base of fresh ground water ranges from 900 feet to more than 2,500 feet below National Geodetic Vertical Datum of 1929. The principal sources of water are the Carnahan Bayou, Williamson Creek, and Blounts Creek Members of the Fleming Formation of Miocene and Pliocene(?) age and terrace deposits of Pleistocene age.