From Longman Dictionary of Contemporary Englishoutfallout‧fall /ˈaʊtfɔːl/ noun [countable] TBa place where water flows out, especially from a drain or river a sewage outfall
Examples from the Corpus
outfall• As the peat shrank, the critical outfall of the river Ouse into the North Sea inevitably began to silt up.• Father had the job, but when they built the new outfall on the other side of town we stayed on here.• The pollution is exacerbated by the 90-year-old outfall pipe which has broken, in the past, in at least four places.• Hug the left bank to the rack outfall then the right bank to second the outflow to avoid very shallow water.• The research began after the discovery of hermaphrodite carp next to a large sewage outfall.• Sewage outfall at Bourne End producing odd skimmers along with quality roach.• Limpley Stoke sewer outfall producing bream., with some chub throughout.• Jackie Whites for chub from the blockhouse, with one or two good roach bags around the outfall. 