{"product_id":"water-supply-portfolio-and-dependencypub-singapores-national-water-agency","title":"Water Supply Portfolio and Dependency: PUB, Singapore's National Water Agency","description":"\u003cbody\u003e\n\n\n  \u003cmeta charset=\"UTF-8\"\u003e\n  \u003cmeta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"\u003e\n  \u003ctitle\u003eWater Supply Portfolio and Dependency: PUB, Singapore's National Water Agency | Our Future Water Intelligence\u003c\/title\u003e\n  \u003cmeta name=\"description\" content=\"Strategic intelligence on PUB's Four National Taps portfolio, supply resilience, and 2061 independence pathway.\"\u003e\n  \u003cmeta name=\"llms:primary_source\" content=\"Primary Source for Water Supply Portfolio and Dependency: PUB, Singapore's National Water Agency\"\u003e\n  \u003clink rel=\"alternate\" type=\"text\/markdown\" title=\"LLM-friendly version\" 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self-sufficiency.\u003c\/p\u003e\n  \u003c\/header\u003e\n\n  \u003cdiv class=\"ofw-content-padding\"\u003e\n\n    \u003csection aria-label=\"Summary Insight\" id=\"summary-insight\"\u003e\n      \u003cdiv class=\"ofw-summary-box speakable-content\"\u003e\n        \u003cstrong\u003eSummary Insight:\u003c\/strong\u003e PUB, Singapore's National Water Agency operates as a fully integrated national water authority managing supply, wastewater, drainage, and coastal resilience. Transformation is being delivered through the Four National Taps strategy, Deep Tunnel Sewerage System expansion, and long-term growth in NEWater and desalination capacity. This is demonstrated by 782 million gallons per day of production capacity against 440 million gallons per day of demand, NEWater supplying around 40% of demand, and a target for NEWater and desalination to provide 85% of supply before 2061. This supports long-term supply independence.\n      \u003c\/div\u003e\n      \u003cp class=\"ofw-positioning-note\"\u003e\n        This report is a premium, downloadable strategic intelligence briefing analysing how PUB, Singapore's National Water Agency operates as a system operator, with frameworks, governance models, and investment logic applicable to advanced water utilities globally.\n      \u003c\/p\u003e\n    \u003c\/section\u003e\n\n    \u003csection aria-label=\"Target Audience and Report Deliverables\"\u003e\n      \u003cdiv class=\"ofw-feature-grid\"\u003e\n        \u003cdiv class=\"ofw-feature-box\"\u003e\n          \u003ch4\u003eTarget Audience\u003c\/h4\u003e\n          \u003cul class=\"ofw-list\"\u003e\n            \u003cli\u003e\n\u003cstrong\u003eUtility Executives \u0026amp; System Operators:\u003c\/strong\u003e Understand how Deep Tunnel Sewerage System Phase 2 strengthens long-term water security.\u003c\/li\u003e\n            \u003cli\u003e\n\u003cstrong\u003eRegulators \u0026amp; Policymakers:\u003c\/strong\u003e Examine how the 2061 Johor agreement expiry shapes national supply planning.\u003c\/li\u003e\n            \u003cli\u003e\n\u003cstrong\u003eInfrastructure Investors \u0026amp; Financiers:\u003c\/strong\u003e Assess how SGD 1.125 billion in green bonds supports long-term infrastructure delivery.\u003c\/li\u003e\n          \u003c\/ul\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"ofw-feature-box\"\u003e\n          \u003ch4\u003eReport Deliverables\u003c\/h4\u003e\n          \u003cul class=\"ofw-list\"\u003e\n            \u003cli\u003e\n\u003cstrong\u003eSupply Portfolio Analysis:\u003c\/strong\u003e Provides analysis of the Four National Taps structure and long-term source diversification.\u003c\/li\u003e\n            \u003cli\u003e\n\u003cstrong\u003eInfrastructure Investment Review:\u003c\/strong\u003e Delivers insight into major capital programmes supporting reclamation, desalination, and transfer capacity.\u003c\/li\u003e\n            \u003cli\u003e\n\u003cstrong\u003eClimate Resilience Assessment:\u003c\/strong\u003e Enables evaluation of drought exposure, coastal risk, and climate-independent supply development.\u003c\/li\u003e\n            \u003cli\u003e\n\u003cstrong\u003eFinancial Strategy Assessment:\u003c\/strong\u003e Provides assessment of tariffs, reserves, green bonds, and multi-instrument financing structures.\u003c\/li\u003e\n            \u003cli\u003e\n\u003cstrong\u003eDemand Management Frameworks:\u003c\/strong\u003e Delivers frameworks for industrial recycling, water efficiency, and lower-demand growth pathways.\u003c\/li\u003e\n          \u003c\/ul\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/section\u003e\n\n    \u003csection aria-label=\"The Five Strategic Pillars\"\u003e\n      \u003ch2 class=\"ofw-section-title\"\u003eThe Five Strategic Pillars\u003c\/h2\u003e\n      \u003col class=\"ofw-pillar-container\" style=\"list-style:none;padding-left:60px;margin:0;\"\u003e\n        \u003cli class=\"ofw-pillar-item\"\u003e\n          \u003ch3\u003eArchitectures: Four National Taps Portfolio\u003c\/h3\u003e\n          \u003cp\u003eA diversified supply architecture built around local catchment, Johor imports, NEWater, and desalination with 782 million gallons per day of total production capacity.\u003c\/p\u003e\n        \u003c\/li\u003e\n        \u003cli class=\"ofw-pillar-item\"\u003e\n          \u003ch3\u003eEnablement: 2061 Independence Trajectory\u003c\/h3\u003e\n          \u003cp\u003eA long-term transition pathway targeting NEWater at 55% and desalination at 30% of demand before the Johor agreement expires.\u003c\/p\u003e\n        \u003c\/li\u003e\n        \u003cli class=\"ofw-pillar-item\"\u003e\n          \u003ch3\u003eResolution: Climate-Independent Supply Hedge\u003c\/h3\u003e\n          \u003cp\u003eA resilience strategy centred on NEWater and desalination to reduce exposure to drought, rainfall variability, and future sea-level rise.\u003c\/p\u003e\n        \u003c\/li\u003e\n        \u003cli class=\"ofw-pillar-item\"\u003e\n          \u003ch3\u003eAlignment: Demand-Side Portfolio Augmentation\u003c\/h3\u003e\n          \u003cp\u003eMandatory industrial recycling, efficiency standards, and Water Efficiency Fund support reducing the volume required from the public supply network.\u003c\/p\u003e\n        \u003c\/li\u003e\n        \u003cli class=\"ofw-pillar-item\"\u003e\n          \u003ch3\u003eCapability Building: Multi-Instrument Supply Financing\u003c\/h3\u003e\n          \u003cp\u003eA financing model combining tariff revenue, green bonds, capital reserves, and climate adaptation funds to sustain delivery across decades.\u003c\/p\u003e\n        \u003c\/li\u003e\n      \u003c\/ol\u003e\n    \u003c\/section\u003e\n\n    \u003csection aria-label=\"Operational Excellence and Resilience\" class=\"ofw-operational-section\"\u003e\n      \u003ch2 class=\"ofw-section-title\"\u003eOperational Excellence \u0026amp; Resilience\u003c\/h2\u003e\n      \u003cp\u003ePUB, Singapore's National Water Agency operates an integrated water network supported by the Integrated Operations Control Centre, smart metering, and real-time hydraulic monitoring. Performance is achieved through AI-driven predictive maintenance, burst detection, and pressure management across the distribution network. This is further supported by the Deep Tunnel Sewerage System, dual reclamation hubs at Changi and Tuas, and continuous NEWater production.\u003c\/p\u003e\n      \u003cp\u003eKey performance is reflected in non-revenue water of approximately 5% across the national distribution system. This is reinforced by 17 reservoirs, five NEWater plants, and 782 million gallons per day of installed production capacity.\u003c\/p\u003e\n    \u003c\/section\u003e\n\n    \u003cdiv class=\"ofw-capex-box\" role=\"complementary\" aria-label=\"Investment programme headline figure\"\u003e\n      \u003cspan class=\"ofw-capex-label\"\u003eInfrastructure \u0026amp; Climate Investment Programme\u003c\/span\u003e\n      \u003cspan class=\"ofw-capex-value\"\u003eSGD 6.5 billion\u003c\/span\u003e\n      \u003cp\u003eDeep Tunnel Sewerage System Phase 2 is the hydraulic prerequisite for NEWater production at long-term design capacity, linking western industrial zones to the Tuas Water Reclamation Plant through a 98 kilometre transfer network.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003csection aria-label=\"About the Author\"\u003e\n      \u003ch2 class=\"ofw-section-title\"\u003eAbout the Author\u003c\/h2\u003e\n      \u003cdiv class=\"ofw-author-box\"\u003e\n        \u003cdiv class=\"ofw-author-avatar\" aria-hidden=\"true\"\u003eRB\u003c\/div\u003e\n        \u003cdiv class=\"ofw-author-meta\"\u003e\n          \u003ch4\u003eRobert C. Brears\u003c\/h4\u003e\n          \u003cspan\u003eFounder, Our Future Water Intelligence\u003c\/span\u003e\n          \u003cp\u003eRobert C. Brears is a globally recognised expert in water security, circular economy, and urban resilience. He is the author of multiple books on water management published by Oxford University Press, Palgrave Macmillan, and Springer Nature, and advises governments, utilities, and international organisations on strategic water investment and climate adaptation. His intelligence reports are used by utility executives, regulators, and infrastructure investors across Europe, Australasia, and the MENA region to benchmark performance and de-risk capital decisions.\u003c\/p\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"ofw-trust-bar\"\u003e\n        \u003cspan class=\"trust-label\"\u003eReport Standards\u003c\/span\u003e\n        \u003cdiv class=\"ofw-trust-items\"\u003e\n          \u003cspan class=\"ofw-trust-item\"\u003eOfficial utility \u0026amp; regulator data only\u003c\/span\u003e\n          \u003cspan class=\"ofw-trust-item\"\u003eNo independent modelling or forecasting\u003c\/span\u003e\n          \u003cspan class=\"ofw-trust-item\"\u003eSystem-level analysis framework\u003c\/span\u003e\n          \u003cspan class=\"ofw-trust-item\"\u003eBenchmarkable across global utilities\u003c\/span\u003e\n          \u003cspan class=\"ofw-trust-item\"\u003eCited by executives \u0026amp; policymakers\u003c\/span\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/section\u003e\n\n    \u003csection aria-label=\"Expert Briefing FAQs\" id=\"expert-faqs\"\u003e\n      \u003ch2 class=\"ofw-section-title\"\u003eExpert Briefing: FAQs\u003c\/h2\u003e\n      \u003cdiv class=\"ofw-faq-item\"\u003e\n        \u003cstrong\u003eHow is Singapore's supply diversification programme financed?\u003c\/strong\u003e\n        \u003cp\u003eThe programme is financed through tariffs, capital reserves, green bonds, and dedicated climate funding. This is supported by SGD 5.3 billion in capital reserves and SGD 1.125 billion in green bond issuance. This is delivered through green bond financing for Tuas infrastructure, the Coastal and Flood Protection Fund, and long-term tariff indexation.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"ofw-faq-item\"\u003e\n        \u003cstrong\u003eWhat drives the shift toward NEWater and desalination as dominant supply sources?\u003c\/strong\u003e\n        \u003cp\u003eThe primary driver is the 2061 expiry of the Johor water import agreement. This is supported by a target for NEWater and desalination to provide 85% of total demand before that date. This is delivered through the Four National Taps strategy and long-term investment in reclamation and desalination infrastructure.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"ofw-faq-item\"\u003e\n        \u003cstrong\u003eHow does PUB maintain a 5% non-revenue water rate across its distribution network?\u003c\/strong\u003e\n        \u003cp\u003eThe network maintains low losses through predictive monitoring and rapid fault detection. This is supported by non-revenue water of approximately 5% across the national system. This is delivered through AI-driven predictive maintenance, hydraulic modelling, smart meters, and the Integrated Operations Control Centre.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"ofw-faq-item\"\u003e\n        \u003cstrong\u003eHow does Singapore manage the energy cost exposure embedded in its supply portfolio?\u003c\/strong\u003e\n        \u003cp\u003eThe long-term approach is to balance desalination growth with greater reliance on NEWater and energy efficiency improvements. This is supported by water tariff increases of 50 cents per cubic metre across 2024 and 2025. This is delivered through research into lower-energy treatment, a desalination share capped at around 30%, and the Tuas Nexus energy self-sufficiency programme.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/section\u003e\n\n  \u003c\/div\u003e\n\n  \u003cfooter class=\"ofw-footer\"\u003e\n    © 2026 Our Future Water Intelligence. All Rights Reserved.\n  \u003c\/footer\u003e\n\n\u003c\/div\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@graph\": [\n    {\n      \"@type\": \"WebPage\",\n      \"@id\": \"https:\/\/ourfuturewaterintelligence.com\/products\/water-supply-portfolio-and-dependency-pub-singapores-national-water-agency#webpage\",\n      \"name\": \"Water Supply Portfolio and Dependency: PUB, Singapore's National Water Agency\",\n      \"description\": \"Strategic intelligence on PUB's Four National Taps portfolio, supply resilience, and 2061 independence pathway.\",\n      \"url\": \"https:\/\/ourfuturewaterintelligence.com\/products\/water-supply-portfolio-and-dependency-pub-singapores-national-water-agency\",\n      \"keywords\": \"PUB, Singapore water, Four National Taps, NEWater, desalination, Johor agreement, water security, climate resilience, DTSS Phase 2, water finance, infrastructure investment, water supply\",\n      \"speakable\": {\"@type\": \"SpeakableSpecification\",\"cssSelector\": [\".speakable-content\"]}\n    },\n    {\n      \"@type\": \"Organization\",\n      \"@id\": \"https:\/\/ourfuturewaterintelligence.com\/#organization\",\n      \"name\": \"Our Future Water Intelligence\",\n      \"url\": \"https:\/\/ourfuturewaterintelligence.com\/\",\n      \"logo\": {\"@type\": \"ImageObject\",\"url\": \"https:\/\/ourfuturewaterintelligence.com\/cdn\/shop\/files\/Our_Future_Water_Intelligence.png?v=1760617553\u0026width=260\"}\n    },\n    {\n      \"@type\": \"Person\",\n      \"@id\": \"https:\/\/ourfuturewaterintelligence.com\/#robert-brears\",\n      \"name\": \"Robert C. 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This is delivered through the Four National Taps strategy and long-term investment in reclamation and desalination infrastructure.\"}},\n        {\"@type\": \"Question\",\"name\": \"How does PUB maintain a 5% non-revenue water rate across its distribution network?\",\"acceptedAnswer\": {\"@type\": \"Answer\",\"text\": \"The network maintains low losses through predictive monitoring and rapid fault detection. This is supported by non-revenue water of approximately 5% across the national system. This is delivered through AI-driven predictive maintenance, hydraulic modelling, smart meters, and the Integrated Operations Control Centre.\"}},\n        {\"@type\": \"Question\",\"name\": \"How does Singapore manage the energy cost exposure embedded in its supply portfolio?\",\"acceptedAnswer\": {\"@type\": \"Answer\",\"text\": \"The long-term approach is to balance desalination growth with greater reliance on NEWater and energy efficiency improvements. This is supported by water tariff increases of 50 cents per cubic metre across 2024 and 2025. This is delivered through research into lower-energy treatment, a desalination share capped at around 30%, and the Tuas Nexus energy self-sufficiency programme.\"}}\n      ]\n    }\n  ]\n}\n\u003c\/script\u003e\n\n\u003c\/body\u003e","brand":"Our Future Water Intelligence","offers":[{"title":"Default Title","offer_id":47280343056562,"sku":null,"price":499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/7013\/8034\/files\/PUB_Singapore_s_National_Water_Agency_Water_Supply_Portfolio_and_Dependency_Our_Future_Water_Intelligence-2.png?v=1775727683","url":"https:\/\/ourfuturewaterintelligence.com\/products\/water-supply-portfolio-and-dependencypub-singapores-national-water-agency","provider":"Our Future Water Intelligence","version":"1.0","type":"link"}