Lake Mead water level history. (FOX Weather)Lake Mead and Lake Powell are the Colorado River's two primary storage reservoirs. As of Thursday, Lake Powell is at a record-low 3,523 feet, according to the U.S. Bureau of Reclamation. Lake Powell water level history. HOW TO WATCH FOX WEATHERHowever, even an extremely wet winter would not reverse the steady 26-year decline in storage at Lake Mead and Lake Powell.