| Existing water supply lose (m3/month) | S/N | Zone | Woreda | Loss | Source | Town | Loss | Source |
| 1 | Eastern | Atsbi Wenberta | 7,146 | GW, river | Abi Adi | 53,585 | GW | 2 | Central | Degua Temben | 13,113 | GW, river | Agbe | 5,886 | GW | 3 | Southern | Enderta | 8,876 | GW, river | Hagereselam | 9,933 | GW | 4 | Eastern | Ganta Afeshum | 2,170 | GW, river | Mekelle | 239,457 | GW, SW | 5 | Eastern | Hawzen | 3,283 | GW, river | Quiha | 31,866 | GW | 6 | Southern | Hintalo Wejerat | 1,506 | GW, river | May makden | 4,891 | GW | 7 | Eastern | Kelete Awelallo | 8,696 | GW, river | Agulai | 9,749 | GW | 8 | Central | Kola Temben | 2,608 | GW, river | Wukro | 23,938 | GW | 9 | Eastern | Saesie Tsaedaemba | 5,154 | GW, river | Hayki meshal | 6,687 | GW | 10 | Southern | Saharti Samre | 863 | GW, river | Atsbi | 8,340 | GW | 11 | Central | Tanqua Abergele | 1,244 | GW, river | Sinkata | 8,462 | GW | 12 | | | | | Edaga Hamus | 191,531 | GW | | Total | | 54,660 | | | 594,325 | |
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