Procedures for Ecological Assessment of Surface Waters R package ecoval version 1.2.10 CRAN Task View: Hydrology (https://CRAN.R-project.org/view=Hydrology) Functions for evaluating and visualizing ecological assessment procedures for surface waters containing physical, chemical and biological assessments in the form of value functions. Software Depends: R (>= 3.5.0), utility, rivernet, jpeg, fs Nele Schuwirth <nele.schuwirth@eawag.ch> Comprehensive R Archive Network (CRAN) Nele Schuwirth [aut, cre], Peter Reichert [aut] GPL-3 2025-11-26 application/tgz https://CRAN.R-project.org/package=ecoval doi:10.32614/CRAN.package.ecoval