Eng. Thilina Rathnayaka

Civil engineer with a BSc from the University of Moratuwa (2016) and an MSc in Water Resource Management and Engineering in progress (University of Moratuwa, 2024–2026). Ten-plus years on water supply and infrastructure projects under the Asian Development Bank, World Bank, UNDP, and JICA — including distribution-network design, hydraulic modelling, non-revenue-water analysis, and field-level leak detection. Runs MyPlumbingPal to combine engineering rigour with experienced-plumber community knowledge for homeowners.

Credentials

• MSc in Water Resource Management and Engineering, University of Moratuwa (in progress, 2024–2026)
• BSc in Civil Engineering, University of Moratuwa (2011–2016)
• Google Data Analytics Professional Certificate, Coursera (2023)

Professional experience (water sector)

• Water Supply Engineer, Ceywater Consultants (Oct 2024–present) — distribution network design, hydraulic sizing, BOQ and tender documents, claim analysis.
• Senior Water Supply Engineer, Water Supply and Sanitation Improvement Project (World Bank, 2023–2024) — technical assistance for treatment-plant design, tendering, and project-data management across seven districts.
• Assistant to ADB Consultant, Non-Revenue Water Study on the Greater Colombo Water and Wastewater Management Improvement Investment Program (2022–2023).
• ADB technical-assistance consultant, COVID-19 WASH+H program (2024) and climate-resilience / GHG accounting specialist work in the water sector (2023).
• Engineer (JICA), Rural Infrastructure Development Project (2021–2022).
• Engineer (UNDP), Climate Resilient Integrated Water Management Project — rural water-supply planning in Kurunegala and Puttalam (2019–2021).
• Site Engineer, Sooriyaara Rural Water Supply Scheme (World Bank, 2017–2019) — leak detection and reconnection of an old pipe network into a new distribution system.

Publications

• Fernando, L.S.D. & Rathnayaka, P.A.T.P. (2023). NRW Study Carried Out on the Greater Colombo Water and Wastewater Management Improvement Investment Program. International Water Conference, NWS&DB Research Symposium, Sri Lanka.

Contact and profiles

• LinkedIn: thilina-rathnayaka
• Email: editor@tropicalmagics.com

Recent guides

• Signs of a Broken Sewer Line and What to Do
• Sewer Pipe Relining: How It Works, Cost and Lifespan
• Sewer Line Replacement Cost: What Homeowners Pay
• Sewer Cleanout: How to Find and Use Yours
• Sewer Camera Inspection: What It Shows and What It Costs
• Hydro Jetting vs Snaking: Which Drain Cleaning Works?
• How to Stop a Sewer Backup in Your Basement
• Backwater Valve: How It Works and When You Need One
• How Much Do Plumbers Charge Per Hour?
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• Install a Water Supply Line: PEX vs Copper, Sizing & More — Installing, extending, or repiping a whole-house water supply system — how to choose between PEX-A, PEX-B, and copper; size 1/2" vs 3/4"...
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