El Salvador has 58 river basins which all drain to the Pacific Ocean.
[1] The total amount of water discharged into the Pacific is 19 million m³ in a normal year.
[2] Additionally, there are several endorheic basins linked to a lake.
Coatepeque Lake is the largest endorheic basin in the country.
[1] This list is arranged by drainage basin, with respective tributaries indented under each larger stream's name.