Informing London's subregional water strategy

In collaboration with Mott MacDonald, the integrated water management tool WSIMOD has been used to inform the Greater London Authority’s first-ever subregional integrated water management strategy.

Details

The strategy recommendations were informed through an analysis that utilised the WSIMOD software to model the Upper and Lower Lea operational catchments. This modelling approach enabled a quantitative assessment of key outcomes related to water quantity and quality under various future scenarios. In the process of supporting this strategy, the analysis identified several significant water-related risks associated with different growth and climate change scenarios.

To tackle these risks, the analysis confirmed and strongly emphasised the necessity for ongoing activities and interventions, including demand management and the implementation of Sustainable Drainage Systems (SuDS). Moreover, it highlighted that relying solely on isolated programs would not be sufficient to completely mitigate the identified risks and achieve the desired economic growth, climate resilience, and environmental improvements. Successfully addressing these challenges will require a substantial increase in coordination levels in planning, delivery, and action across project partner organizations, and in some cases, extending beyond the boundaries outlined in this strategy.

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