Rainfall in the dry zone of Srilanka is limited to
50-75 inches.Under these conditions rain fed cultivation was difficult, forcing
early settlers to develope means to store
water in order to maintain a
constant supply of water for their cultivations. Small irrigation tanks were
built at village level , to support village cultivation.The earliest medium
scale irrigation tank is the Basawakkulama, reservoir built by king
Pandukabhaya. Nuwara wewa
& Thissa wewa were the massively constructed resrevoires in subsequent
years.As Anuradhapura is inherited with the indegenious technology of
irrigation ,Anuradhapura is known as the”
WEW BANDI RAGYA “
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