Problems which have resulted from the establishment of the scheme

i.    The major problem is the water snails which spread bilharzia.  There are also other diseases like  malaria which is spread by mosquitoes as well as river blindness.
ii.    Many people were displaced from their homelands due to the establishment of the scheme.
iii.    About half of the labourers are migrants from different parts of Sudan.  Their influx has caused social and economic problems in the area.
iv.    Silting of the canals due to the deposition of the suspended materials in them.
v.    The farms allocated to the tenant farmers have been too large to be managed by single families effectively