Objectives: The overarching objective of the project is to assemble the suite of modeling and assessment tools that will link variable urban nutrient export fluxes to the ecological, social and economic impacts of eutrophication in the receiving surface waters. The focus will be on predicting urban P export because bioavailable P is the primary driver of eutrophication in large water bodies. The resulting toolbox will enable the evaluation of the vulnerability to eutrophication of the impacted nearshore waters under climate change and future urban development trajectories. The resulting integrated risk management capacity will support decision-making and planning for urban development and, in particular, stormwater management and green infrastructure.