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  2. National Water Supply and Drainage Board - Wikipedia

    en.wikipedia.org/wiki/National_Water_Supply_and...

    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.

  3. Tank cascade system - Wikipedia

    en.wikipedia.org/wiki/Tank_cascade_system

    Rain clouds over a tank in Sri Lanka The tank cascade system ( Sinhala : එල්ලංගාව , romanized: ellaṅgāva ) is an ancient irrigation system spanning the island of Sri Lanka . It is a network of thousands of small irrigation tanks ( Sinhala : වැව , romanized: wewa ) draining to large reservoirs that store rainwater and ...

  4. Ministry of Irrigation and Water Resources Management

    en.wikipedia.org/wiki/Ministry_of_Irrigation_and...

    Sri Lanka Freedom Party: 22 March 2015 – 12 August 2020 Ministry of Irrigation and Water Resources Management Chamal Rajapaksa: Sri Lanka Podujana Peramuna: 12 August 2020 - Gotabaya Rajapaksa: Ministry of Irrigation Roshan Ranasinghe: Sri Lanka Podujana Peramuna: 23 May 2022 - Present: Gotabaya Rajapaksa: Ministry of Irrigation

  5. Today's Wordle Hint, Answer for #1275 on Sunday, December 15 ...

    www.aol.com/todays-wordle-hint-answer-1275...

    Today's Wordle Answer for #1275 on Sunday, December 15, 2024. Today's Wordle answer on Sunday, December 15, 2024, is FUNKY. How'd you do? Next: Catch up on other Wordle answers from this week.

  6. Trench drain - Wikipedia

    en.wikipedia.org/wiki/Trench_drain

    The drain is characterized by its long length and narrow width, the cross-section of the drain is a function of the maximum flow volume anticipated from the surrounding surface. Channels can range from 1 inch (2.5 cm) to 2 feet (61 cm) in width, while depths can reach up to 4 feet (120 cm).

  7. Sri Lankan irrigation network - Wikipedia

    en.wikipedia.org/wiki/Sri_Lankan_irrigation_network

    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 ...

  8. List of dams and reservoirs in Sri Lanka - Wikipedia

    en.wikipedia.org/wiki/List_of_dams_and...

    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 ...

  9. HDPE pipe - Wikipedia

    en.wikipedia.org/wiki/HDPE_pipe

    HDPE pipe is a type of flexible plastic pipe used to transfer fluids and gases. It is often employed for replacing aging concrete or steel main pipelines . Constructed from the thermoplastic HDPE (high-density polyethylene ), it has low permeability and robust molecular bonding, making it suitable for high-pressure pipelines .

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