CROCODILE RIVER: Hydrology and geohydrology

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Map of the Crocodile River

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HYDROLOGY
The Crocodile River in Mpumalanga has a catchment area of 10 446 km2 and MAR of 1 236 million m3 a-1.It flows through the Nelspruit industrial area, the lowveld agricultural area and the Kruger National Park. The decrease in flow of the river is probably due to abstractions for irrigated fruit farming. (Ref 1)
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The naturalised mean annual runoff is 1 200 million cubic metres per year, with an estimated maximum yield (that is, the maximum amount storable in dams) of 859 million cubic metres per year. The Kwena Dam already commands 10% of the total catchment runoff, and the proposed Mountain View Dam will regulate a large portion of the Kaap River runoff.  (Ref 2)
    GEOHYDROLOGY                                    
  References                                      

Ref 1:  State of freshwater systems and resources: # 2
Ref 2:  State of Rivers Report - Crocodile, Sabie Sand and Olifants River System
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