New River (Mexico–United States)
The New River (Spanish: Río Nuevo) flows north from near Cerro Prieto, through the city of Mexicali, Baja California, Mexico, into the United States through the city of Calexico, California, towards the Salton Sea. The river channel has existed since pre-historic times. The river as known today formed from a levee failure and massive flooding that filled the Salton Sea. The river flow mostly consists of agricultural runoff, municipal discharge and industrial wastewater. The river has been calle…