Mombasa Water Fund: A Business Case For Nature-Based Solutions To Protect The Water Source Areas Of Mwache Dam And Mzima Springs
Anchor Environmental Consultants
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Abstract: This technical report presents a robust business case for establishing the Mombasa Water Fund (MWF), designed to protect and sustain critical water source areas?the Mwache Dam catchment and the Mzima Springs recharge zone?serving over 2 million people in coastal Kenya. It outlines how nature-based solutions, including riparian restoration, agroforestry, contour farming, and community-led soil erosion control, can enhance water security, reduce sedimentation, and extend infrastructure lifespan. Using hydrological models, GIS mapping, and cost-benefit analysis, the report demonstrates substantial economic returns from upstream ecosystem investments compared to traditional water treatment. It draws on regional precedents, notably the Upper Tana Nairobi Water Fund, to develop financial mechanisms for equitable stakeholder participation. Institutional roles, policy alignment, and community engagement strategies are detailed, with emphasis on long-term resilience and co-benefits such as carbon sequestration and agricultural productivity. The document is an essential blueprint for integrated watershed governance and sustainable financing in Kenya?s coastal zones.