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Online Learning System - National Water Supply & Drainage Board, Sri Lanka

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  • You are Warmly Welcome to the Online Learning System of
    National Water Supply & Drainage Board, Sri Lanka.

    Hereafter you can Learn, Train or Teach Online. You can meet your Trainer / Learner / Participant in this Virtual Learning Environment to teach / learn through Interactive Online Courses.

  • BothWelcome.mp3

  • We encourage everyone to consider these precautionary tips:     1- Wash your hands frequently     2- Maintain social distancing     3- If you have fever, cough and difficulty breathing, seek medical care early     Stay Safe and Strong


  • Technical Courses

    Wastewater Management Wastewater Management
    Wastewater Management
    Flow Meters Flow Meters
    Flow Meters
    GIS Technology GIS Technology
    GIS Technology
    Pneumatic Systems of Water works Pneumatic Systems of Water works
    Pneumatic Systems of Water works
    Water Treatment Plants Water Treatment Plants
    Water Treatment Plants
  • Non - Technical Courses

    Commitment System Commitment System
    Commitment System
    Bidding Documents Bidding Documents
    Bidding Documents
  • Computer / IT Courses

    Computer Literacy for All Computer Literacy for All
    Computer Literacy for All
    Mobile Meter Reading Mobile Meter Reading
    Mobile Meter Reading
    Keep Your PC Healthy & Safe Keep Your PC Healthy & Safe
    Keep Your PC Healthy & Safe
    Field Services Mobile App Field Services Mobile App
    Field Services Mobile App

  • NATIONAL WATER SUPPLY & DRAINAGE BOARD

    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 main functions of the NWSDB, which presently functions under the Ministry of Urban Development, Water Supply & Housing Facilities are operation and maintenance of water supply and sewerage schemes, implementation of new urban and rural water supply projects, carrying out sector planning, feasibility studies, detailed designs, tender documentation, contract administration, project supervision and research and development work in the water and sanitation sector.

    Therefore, the content we are providing will give you an insight into the history of the National Water Supply and Drainage Board, its functions and other important matters.

    Please visit the following links for more information.


  • Netiquettes for Online Activities

    The etiquette guidelines that govern behavior when communicating on the Internet have become known as netiquettes.  Read the given articles to learn more and invited to add your ideas regarding 'Netiquettes' through the discussion forum.

  • Rules of Behaviour on the Internet File
  • Ground Rules for Online Discussions File
  • Netiquettes Forum

    Share your ideas and experiences...

  • OLS - Training and Discussions Forum

    Dear Team Members

    All of you are welcome to this forum to freely add your suggestions, ideas or requests.  Please discuss your issues freely among all peer members and anyone can answer for the matters too.

    Wasantha Deegalla


  • About Us

  • Acknowledgement Page
  • About OLS - NWSDB Page

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