Oxford Dictionary English sewage plant nounnoun BrE BrE//ˈsuːɪdʒ plɑːnt// , BrE//ˈsjuːɪdʒ plɑːnt// ; NAmE NAmE//ˈsuːɪdʒ plænt// (also sewage treatment plant) (especially North American English) jump to other results= sewage worksCheck pronunciation: sewage plant oxfordlearnersdictionaries.com