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The National Water Supply and Drainage Board (commonly abbreviated as NWSDB) is the National Organization responsible for the provision of safe drinking water and facilitating the provision of sanitation to the people in Sri Lanka. The organization had its beginning as a subdepartment under the Public Works Department for water supply and drainage.
Access Engineering PLC is a Sri Lankan civil engineering company engaged in the construction industry and supply of construction-related services and materials. [2] The company is one of the constituents of the S&P Sri Lanka 20 Index. [3] The company was founded in 2001, and in 2012 was listed on the Colombo Stock Exchange.
The earliest examples of irrigation works in Sri Lanka date from about 430 BCE, during the reign of King Pandukabhaya, and were under continuous development for the next thousand years. In addition to constructing underground canals , the Sinhalese were the first to build completely artificial reservoirs to store water , referred to as tanks ...
[10] Granite and charnockite underlie in this area, decreasing permeability. [11] The "undulating topography" of the island's dry zone is also appropriate for pond or reservoir construction, with small dams being able to create large reservoirs. [1] Overall, Sri Lanka has 80 major dams and 18,000 extant tanks. [12]
The 10-digit watersheds were delineated to be between 40,000 and 250,000 acres in size, and the 12-digit subwatersheds between 10,000 and 40,000 acres. [5] In addition to the hydrologic unit codes, each hydrologic unit was assigned a name corresponding to the unit's principal hydrologic feature or to a cultural or political feature within the ...
To implement the project plan in the balance areas proposed by the Master plan and also Gazetted areas, the Mahaweli Authority of Sri Lanka was established in 1979 by an Act of Parliament with a mandate. [5] [6] By the end of 1995, all the headworks of the AMP had been completed and were functioning.
Sri Lanka is pockmarked with many irrigation dams, with its water resource distributed across nearly the entirety of the island for agricultural purposes via artificial canals and streams. Utilization of hydro resources for agricultural production dates back to the pre-Colonial era , with the current crop production now largely dependent on ...
Sri Lanka Muslim Congress: 12 January 2015 - 15 November 2019 Maithripala Sirisena: Mahinda Rajapaksa: Sri Lanka Podujana Peramuna: 22 November 2019 - 12 August 2020 Gotabaya Rajapaksa: Vasudeva Nanayakkara: Democratic Left Front: 12 August 2020 - Gotabaya Rajapaksa: Keheliya Rambukwella: Sri Lanka Podujana Peramuna: 23 May 2022 - 19 January ...