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Do you know this about #AddisAbaba's #water supply history?
1⃣ #AddisAbaba is located near a major watershed divide at the upper most catchment of Awash river basin
2⃣A number of small catchment rivers starts from #Entoto ridges & depressions as springs (cold and thermal)
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1⃣ #AddisAbaba is located near a major watershed divide at the upper most catchment of Awash river basin
2⃣A number of small catchment rivers starts from #Entoto ridges & depressions as springs (cold and thermal)
1/8
➡️#AddisAbaba was founded in 1870s, taking into consideration of these springs as its major #water supply to start the history...
➡️The first water supply source of the city was groundwater. Not a whole lot of documentation on water use amount on that I could find.
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➡️The first water supply source of the city was groundwater. Not a whole lot of documentation on water use amount on that I could find.
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Surface water sources:
➡️Geffersa-I/II Dam. Dam situated west of #AddisAbaba, along #AddisAbaba-#Ambo road.
➡️First constructed in 1938
➡️Rehabilitated in 1955/56, raising in height from 10m to 16m which then called as Geffersa-I/II dam post rehabilitation.
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➡️Geffersa-I/II Dam. Dam situated west of #AddisAbaba, along #AddisAbaba-#Ambo road.
➡️First constructed in 1938
➡️Rehabilitated in 1955/56, raising in height from 10m to 16m which then called as Geffersa-I/II dam post rehabilitation.
:-3/8
