Decentralized Water Treatment and Supply Systems

Port Louis, Mauritius - December 12, 2015: Industrial landscape in import and export business logistics at Port Louis, Mauritius.
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Decentralized Water Treatment and Supply Systems
SectorMost major industry classification systems use sources of revenue as their basis for classifying companies into specific sectors, subsectors and industries. In order to group like companies based on their sustainability-related risks and opportunities, SASB created the Sustainable Industry Classification System® (SICS®) and the classification of sectors, subsectors and industries in the SDG Investor Platform is based on SICS.
Business Model Description

Construct and operate individual or collective decentralized water treatment and supply systems, such as rainwater harvesting, for households and companies operating in the industry, ensuring a continuous access to water for consumption and productive purposes.

Expected Impact

Improve water access of households and the industry, and enhance resource efficiency benefitting the conservation of water sources.

Indicative ReturnDescribes the rate of growth an investment is expected to generate within the IOA. The indicative return is identified for the IOA by establishing its Internal Rate of Return (IRR), Return of Investment (ROI) or Gross Profit Margin (GPM).
> 25% (in IRR)
Investment TimeframeDescribes the time period in which the IOA will pay-back the invested resources. The estimate is based on asset expected lifetime as the IOA will start generating accumulated positive cash-flows.
Short Term (0–5 years)
Market SizeDescribes the value of potential addressable market of the IOA. The market size is identified for the IOA by establishing the value in USD, identifying the Compound Annual Growth Rate (CAGR) or providing a numeric unit critical to the IOA.
Water demand will reach 1,200 million m3 in 2040 and currently only 13.3% of wastewater is treated
Average Ticket Size (USD)Describes the USD amount for a typical investment required in the IOA.
< USD 500,000
Direct ImpactDescribes the primary SDG(s) the IOA addresses.
Clean water and sanitation (SDG 6) Good health and well-being (SDG 3)
Indirect ImpactDescribes the secondary SDG(s) the IOA addresses.
Reduced Inequalities (SDG 10) Responsible Consumption and Production (SDG 12)
Sector Sources
  • 1) Ministry of Foreign Affairs. 2019. Voluntary National Review Report of Mauritius 2019. 2) Republic of Mauritius. 2021. Budget Speech 2021-2022, Better Together. 3) President of the Republic of Mauritius. 2020. Government Programme 2020-2024, Towards an Inclusive, High-income and Green Mauritius, Forging ahead. 4) Republic of Mauritius. 2013. Maurice Île Durable, Policy, Strategy and Action Plan. 5) PAGE. 2015. Green Economy Assessment Mauritius. 6) Republic of Mauritius. 2012. National Climate Change Adaptation Policy Framework for the Republic of Mauritius. 7) Republic of Mauritius. October 2021. Final updated Nationally Determined Contribution. 8) Government of Mauritius. 2014. National Water Strategy. 9) African Development Bank. 2020. Country Strategic Paper (CSP) 2014-2018 and CSP update 2019-2020 Completion Report and 2020 Country Portfolio Performance Review.
IOA Sources
  • 10) See. 11) Aqua Science and Technology. Services. 12) Pure Aqua Inc. 13) Government of Mauritius. 2016. Republic of Mauritius, Third National Communication Report to the United Nations Framework Convention on Climate Change. 14) UNOPS. 2020. Infrastructure for gender equality and the empowerment of women. 15) UNOPS. 2020. Infrastructure for Small Island Developing States, The role of infrastructure in enabling sustainable, resilient and inclusive development in SIDS. 16) Republic of Mauritius. 2021. Public Sector investment Programme 2021 - 2022 to 2025 - 2026. 17) Government of Mauritius. June 15, 2020. Construction industry to drive the economic recovery of Mauritius, states National Infrastructure Minister.,-states-National-Infrastructure-Minister.aspx. 18) UNDP-Business Mauritius. 2021. Circular Economy: Optimizing private sector investment in Mauritius. 19) Republic of Mauritius. 2016. National Integrated Water Resources Management (IWRM) Plan. 20) Republic of Mauritius. November 2020. Statistics in Mauritius, A gender Approach, 2018. 21) UN Habitat - WHO. 2021. Progress on wastewater treatment, Global status and acceleration needs for SDG indicator 6.3.1. 22) Republic of Mauritius. 2013. TNA Report III, Technology Action Plan Adaptation (Water, Agriculture and Coastal zone). 23) Yo Nature. May 7, 2018. Rainwater Harvesting – Saving Water in Mauritius. 24) SE de Tananarive. Mars 2021. La Lettre économique de l'Afrique de l'Est et de l'Océan Indien, Communauté d’Afrique de l’Est – Maurice, Maurice – Un accès à l’eau potable généralisé, mais plus limité pour les infrastructures d’assainissement. 25) World Bank. World Bank Data. 26) UN Department of Economic and Social Affairs. SDG Indicator Database. 27) President of the Republic of Mauritius. 2008. Central Water Authority (Water Supply for Domestic Purposes) (Amendment) Regulations 2008, Government Notice No. 9 of 2008. 28) President of the Republic of Mauritius. 2014. Central Water Authority (Water Supply for Non- Domestic Purposes) (Amendment) Regulations 2014, Government Notice No. 52 of 2014. 29) President of the Republic of Mauritius. 1963. Rivers and Canal Act 1863, Act 35/1863. 30) President of the Republic of Mauritius. 1969. Ground Water Act 1969, Act 55/1969. 31) President of the Republic of Mauritius. 2020. Waste Water (License for Discharge of Industrial Effluent into a Waste Water System) Regulations 2019, Government Notice No. 2 of 2020. 32) DBM. Rain Water Harvesting System Loan Scheme. 33) UNEP. 2014. Fiscal Policy Scoping Study – Mauritius. 34) UN Women. 2020. Women's Economic Empowerment in the Indian Ocean Rim, Progress and Challenges. 35) OHCHR. Mandate of the Special Rapporteur on the human rights to safe drinking water and sanitation. 36) Ministry of Finance, Economic Planning and Development - Ministry of Industrial Development, SMEs and Cooperatives. September 2020. Handbook on Schemes & Incentives for MSMEs & Entrepreneurs. 37) Varsah Gungoa. 2016. Policy Analysis and Implementation for a New Water Policy: A Case Study of the Mauritian Experience. 38) C. Matos et al. 2015. Economic Analysis of a Rainwater Harvesting Systemin a Commercial Building. 39) Duraco. Products. 40) Statistic Mauritius. 2020. Digest of Energy and Water Statistics Year 2020. 41) Government of Mauritius Ministry of Energy and Public Utilities, 2014. National Water Policy (Draft). 42) Matos, C., et. al. 2015. Economic Analysis of a Rainwater Harvesting System in a Commercial Building. Imteaz/publication/277913344_Economic_Analysis_of_a_Rainwater_Harvesting_System_in_a_Commercial_Building/links/57140cf008ae39beb87cee04/Economic-Analysis-of-a-Rainwater-Harvesting-System-in-a-Commercial-Building.pdf. 43) Republic of Mauritius. 2021. Update of the Nationally Determined Contribution of the Republic of Mauritius. 44) Afrik21. 2020. Mauritius: Solar-powered desalination plant inaugurated in Rodrigues. 45) Statistic Mauritius. 2020. UN_SDG_Database (2010-2020). 46) African Development Bank. 2018. Mauritius. 47) NDTV. 2022. India Extends $527 Million Financial Assistance To Mauritius.