@UCLA: 100% local water possible for Los Angeles by 2050 #ColoradoRiver #COriver

Map of the Los Angeles River watershed via Wikimedia.

Here’s the abstract for the recently released study:

This report assesses the potential to improve water quality standards while integrating complementary One Water Management practices that can increase potential local water supplies for the City of Los Angeles (the City). This final report summarizes the current practices and future opportunities at the City-owned Water Reclamation Plants and underlying groundwater basins and highlights the importance of considering all aspects of integrated water management even when dealing with water quality or supply-focused projects.

Implementing watershed-scale best management practice programs to meet stormwater permit requirements will significantly improve water quality in all watersheds. However, additional mechanisms such as increasing Low Impact Development implementation and comprehensive source tracking and source control mechanisms will be required to potentially eliminate water quality exceedances. There are multiple efforts occurring in the City and the region to increase the recharge of recycled water into the ground and the volumes of remediated groundwater extracted.

This research further assessed the impacts of potential water supply portfolios, with greater volumes of locally-supplied water, on GHG emissions and energy needs of supplying LA’s water. Conservation will be another powerful tool to decrease our dependence on imported water. This research demonstrates the complex interrelationships between all aspects of urban water management, including, for example, stormwater management and local water supply.

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