Publisher: Elsevier
Sustainability is increasingly important in the wastewater treatment sector, and benchmarking studies are needed to identify the best practices in using resources efficiently. This work addresses this need by characterizing and benchmarking this sector in Portugal. Data from around 120 service providers, from 2015 to 2019, regarding inputs consumption, desirable and undesirable outputs, are used in a data envelopment analysis to benchmark these operators and to determine improvement potentials. A productivity change analysis revealed an increase from 2015 to 2019, essentially due to an increas ...