| Existing water supply capacity (m3/month) | S/N | Zone | Woreda | Supply | Source | Town | Supply | Source |
| 1 | Eastern | Atsbi Wenberta | 76,361 | GW, river | Abi Adi | 35,483 | GW | 2 | Central | Degua Temben | 89,508 | GW, river | Agbe | 12,424 | GW | 3 | Southern | Enderta | 73,098 | GW, river | Hagereselam | 28,291 | GW | 4 | Eastern | Ganta Afeshum | 53,590 | GW, river | Mekelle | 760,668 | GW, SW | 5 | Eastern | Hawzen | 75,422 | GW, river | Quiha | 33,420 | GW | 6 | Southern | Hintalo Wejerat | 94,885 | GW, river | May Makden | 10,939 | GW | 7 | Eastern | Kelete Awelallo | 53,613 | GW, river | Agulai | 21,650 | GW | 8 | Central | Kola Temben | 72,354 | GW, river | Wukro | 69,725 | GW | 9 | Eastern | Saesie Tsaedaemba | 69,959 | GW, river | Hayki Meshal | 15,395 | GW | 10 | Southern | Saharti Samre | 60,242 | GW, river | Atsbi | 25,054 | GW | 11 | Central | Tanqua Abergele | 45,189 | GW, river | Sinkata | 24,504 | GW | 12 | | | | | Edaga Hamus | 26,719 | GW | | Total | | 764,220 | | | 1,064,272 | |
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