Evaluation of wastewater treatment inside a watershed with water quality mathematical model – Case study of the Muqui do Norte river watershed (Espírito Santo, Brazil). Research, Society and Development, [S. l.], v. 10, n. 12, p. e124101220221, 2021. DOI: 10.33448/rsd-v10i12.20221. Disponível em: https://www.rsdjournal.org/rsd/article/view/20221. Acesso em: 5 dec. 2025.