Gradual growth in water levels

 

 

In January 2017, there was a total of 41mm rainfall over the first weekend of the year, with dam levels standing at 72.64%. To date, the Midmar Dam is filled at 82.45%.

Umgeni Corporate Stakeholder, Shami Harichunder, said the amount of rainfall received at Midmar and Albert Falls is disappointing as these dams require significant amounts of rainfall to lift them out of their situation of stress caused by below-average rainfall over a four-year period as a result of drought.

The average annual rainfall for Midmar and Albert Falls is between 800mm and 1 000mm. Rainfall received to date is below the average, which means there is a rainfall deficit at these dams. The deficit will be eradicated through receiving above-average rainfall.

He continued saying, “Of concern to Umgeni Water is the consistently low level of Albert Falls, which is the largest dam in the Umgeni Water operational area. This dam is dependent, in part, on Midmar to rise sharply. Midmar has to overflow for the level of Albert Falls to increase or there has to be significant amounts of rainfall in its catchment,” Harichunder said.

 

System Dam Capacity
Million m3
Percentage Outflow
(m3/s)
Rainfall
(mm)
Last updated on
Mooi/Mgeni System Albert Falls Dam 290.1 20.34 1.19 3.0 09 Jan 2018
  Inanda Dam 251.6 65.05 0.54 1.0 09 Jan 2018
  Mearns Dam 5.11 80.98 6.0 09 Jan 2018
  Midmar Dam 235.4 82.45 0.31 3.5 09 Jan 2018
  Nagle Dam 24.6 88.93 2.0 09 Jan 2018
  Spring Grove Dam 139.5 73.87 0.56 10.0 09 Jan 2018
North Coast System Hazelmere Dam 37.133 60.61 0.99 0.0 09 Jan 2018
Other (Inland) Henley Dam 1.52 102.23 4.0 09 Jan 2018
  Ixopo Dam 0.56 102.16 0.0 08 Jan 2018
South Coast System E.J.Smith Dam 0.98 100.05 0.0 08 Jan 2018
  Nungwane Dam 2.22 100.87 0.0 08 Jan 2018
  Umzinto Dam 0.48 100.28 0.0 08 Jan 2018
  AUTHOR
Bongeka Sibisi
Journalist

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