A Simplified and Scalable Urban Water Quality Model for Simulation of Combined Sewer Overflows R package EmiStatR version 1.2.6 Provides a fast and parallelised calculator to estimate combined sewage water emissions. It supports the planning and design of urban drainage systems without extensive simulation tools. The methods are described in Torres-Matallana et al. (2018) <doi:10.3390/w10060782>. Software Depends: R (>= 2.10), methods Imports: utils, grDevices, graphics, stats, xts, zoo, foreach, parallel, lattice, doParallel Suggests: testthat (>= 3.0.0) J.A. Torres-Matallana <jairo.torres@hereon.de> Comprehensive R Archive Network (CRAN) J.A. Torres-Matallana [aut, cre], K. Klepiszewski [aut], U. Leopold [ctb], G. Schutz [ctb], G.B.M. Heuvelink [ctb] GPL (>= 3) 2026-10-15 application/tgz https://CRAN.R-project.org/package=EmiStatR doi:10.32614/CRAN.package.EmiStatR