“…Holistic approaches promoting efficient water allocation in water systems are needed (Cai, 2008;Lund et al, 2006). The need for appropriate water valuation is underscored by regulatory frameworks that promote economically efficient water allocation, for example, the Water Framework Directive (European Commission, 2000 in the European Union or the emergence of water markets in the western United States (Hadjigeorgalis, 2009;Hansen et al, 2014;Wheeler et al, 2017), Australia (Garrick et al, 2018;Lewis & Zheng, 2018;Owens, 2016;Wheeler et al, 2013), or the United Kingdom (Erfani et al, 2015;Parker, 2007).…”