Gereb Mihiz is a reservoir located in the Hintalo Wajirat woreda of the Tigray Region in Ethiopia. The earthen dam that holds the reservoir was built in 1998 by SAERT.[1]

Gereb Mihiz
Gereb Mihiz
Coordinates	13.29464441°N 39.47134646°E / 13.29464441; 39.47134646
Type	Freshwater artificial lake
Basin countries	Ethiopia
Surface area	0.3 km2 (0.12 sq mi)
Water volume	1.3×10^6 m3 (1,100 acre⋅ft)
Surface elevation	2,110 m (6,920 ft)
Settlements	Hintalo

Dam characteristics

• Dam height: 17.5 metres
• Dam crest length: 403 metres
• Spillway width: 15 metres

Capacity

• Original capacity: 1300000 m³
• Dead storage: 325000 m³
• Reservoir area: 30 ha

In 2002, the life expectancy of the reservoir (the duration before it is filled with sediment) was estimated at 21 years.[1]

Irrigation

• Designed irrigated area: 80 ha
• Actual irrigated area in 2002: 38 ha

Environment

The catchment of the reservoir is 17.16 km² large, with a perimeter of 20.38 km and a length of 4910 metres. The reservoir suffers from rapid siltation.[2][3] The lithology of the catchment is Mekelle Dolerite and Agula Shale.[1] Part of the water that could be used for irrigation is lost through seepage; the positive side-effect is that this contributes to groundwater recharge.[4]

References

На других языках

[fr] Gereb Mihiz