GroundWater Spatiotemporal Data Analysis Tool (GWSDAT) R package GWSDAT version 3.3.0 CRAN Task View: Hydrology (https://CRAN.R-project.org/view=Hydrology) Shiny application for the analysis of groundwater monitoring data, designed to work with simple time-series data for solute concentration and ground water elevation, but can also plot non-aqueous phase liquid (NAPL) thickness if required. Also provides the import of a site basemap in GIS shapefile format. Software Depends: R (>= 3.5.0) Imports: deldir, digest, geometry, Kendall, lattice, lubridate, MASS, Matrix, officer (>= 0.3.8), raster, readxl, rhandsontable, sf, shiny, shinycssloaders, shinydashboard, shinyjs, sm, sp, splancs, zoo Suggests: DBI, RSQLite Wayne Jones <wayne.w.jones@shell.com> Comprehensive R Archive Network (CRAN) Wayne Jones [aut, cre] GPL-3 2026-02-06 application/tgz https://CRAN.R-project.org/package=GWSDAT doi:10.32614/CRAN.package.GWSDAT