Saturday, March 30, 2019

Nachchaduwa Wewa

Nachchaduwa Wewa
Nachchaduwa Wewa (Naccaduwa) is a reservoir situated in Anuradhapura, Sri Lanka and is owned by the Department of Irrigation. The reservoir is considered as one of the earliest irrigation works in the country. 

History
According to tradition, Nachchaduwa Wewa was constructed by King Mahasena [(277-304 C.E.) Parker, 1909 ]. 

H. Parker in his book "Ancient Ceylon (1909)" mentions that the bricks which have been used to construct the tank sluice are in same dimensions as those of some bricks used in the repairs of the high-level sluice at Nuwara Wewa. Therefore, he points out that the work at both reservoirs could be done at about the same time. He further mentions that the bricks used to build the upper part of the Bisokotuwa are belonged to a later period, probably a time little earlier to the 12th century (Parker, 1909). Also the large rectangular wedge holes found in some stones of the waste-weir, according to Parker, probably have come from the restoration work carried out by King Parakramabahu I (Parker, 1909). Therefore, depending on these facts he suggests that Nachchaduwa tank might be the Mahadaragalla tank made by King Mahasena.

The great chronicle, Mahawamsa mentions about a tank named Nandivapi with an account related with young Dhatusena II (Fernando, 1921). It is said that the most closer name which can be suggested for Nandivapi is the Nachchaduwa tank. In Pali language, the meaning of both Nandi and Nachcha is nearly similar to each other: Nandi - 'plesure' and Nachcha - 'dancing' (Fernando, 1921).

The bricks of several ruins located around the Nachchaduwa tank are said to be similar in size to some bricks found in ancient irrigation works such as Tisa Wewa, Nuwara Wewa, Sigiriya etc. (Fernando, 1921). Therefore, it is strongly believe that this tank is also an earliest irrigation work in the country.

Reservoir
The reservoir is fed by the Malwathu Oya and the feeder canal from Kala Wewa. It has an irrigable area of 2833 ha and a catchment area of 598.74 square km (Dahanayake & Rajapakse, 2017).

Attribution
1) Nachchaduwa Wewa by hassage is licensed under CC BY 2.0

References
1) Dahanayake, A.C. and Rajapakse, R.L.H.L., 2017. Application of a process-based, distributed, hydrological and material transport model to assess water resources and pollute transport in Malwathu oya basin, Sri Lanka. The 7th International Conference on Sustainable Built Environment, Earl’s Regency Hotel, Kandy, Sri Lanka.
2) Fernando, W.M., 1921. Naccaduwa Tank. The Ceylon antiquary and literary register. Vol. VI: Part. IV. p.229.
3) Parker, H., 1909. Ancient Ceylon: An account of the aborigines and of part of the early civilisation. Luzac & Co. London. pp.405-409.

Location Map

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