Table 1: Sum of mean annual flow surface water of each river in the flow direction at outlet of the river basins.

Flow direction

Basins included in the

section

Water resource (BCM)

Area coverage share (%)

 

Surface water share (%)

Westwards

Abbay, Baro-Akobo,

Mereb, and Tekeze

 

86.55

 

38.75

 

 

70.31

 

East

Genale-Dawa and

Wabishebele

9.4

33.34

 

7.64

 

South

Omo-Gibe, Rift Valley

lake basin

22.24

5.15

 

18.07

 

Northeast

Awash

4.9

9.79

3.98

No flow

Aysha, Dinakle, and

Ogaden

0.0

 

12.97

 

0.0

Total

 

123.09

100

100

Source: Respective Basin Master Plan Studies compiled by the web Master of Ministry of Water and Energy, MoWE [48].