Supplementary material to "Global distribution of wastewater treatment plants and their released effluents into rivers and streams"

Abstract

S1 National and regional wastewater treatment plant (WWTP) datasets S1.1 EuropeThe Urban Waste Water Treatment Directive (UWWTD; https://uwwtd.eu/) is concerned with the collection, organisation and management of data related to the treatment and discharge of urban wastewater. Version 6 of their WWTP database from 2017 contains 30,437 records from which we used 24,971. The excluded records were collection facilities (not connected to a discharge point) or records without point coordinates. The UWWTD database provides information on effluent load in terms of population equivalent and treatment level. In version 8 from 2020, wastewater discharge was included for 8,662 WWTPs. The countries included are: Austria,