USGS Water-Year Summary 2017
07355500 Red River at Alexandria, LA
LOCATION - Lat 31°18'46", long 92°26'34" referenced to North American Datum of 1927, Rapides Parish, LA, Hydrologic Unit 08040301, near center of span on downstream side of Murray Street bridge between Alexandria and Pineville, and 1.7 mi downstream from Bayou Rigolette. Water-quality sampling site at center of channel 0.3 mi downstream.
DRAINAGE AREA - 67,500 mi², of which 5,936 mi² above Denison Dam is noncontributing.