It is a tributary to River Yamuna in which it outfalls here. The existing outfalls for the moor were inadequate. A large number of mine seeps, outfalls, and boreholes occur within the watershed. Some CSO outfalls discharge infrequently, while others activate every time it rains. In 2010, about 340 sewage outfalls into the waterways were identified. Marine outfalls for partially treated or untreated wastewater remain controversial. The water is heavily polluted from storm water outfalls that empty directly into the creek. Ships may use marine dumping and coastal desalination plants typically use marine outfalls. It flows for about and outfalls into the Bay of Bengal. Facilities that apply for a permit must specify the number of outfalls at the site. Currently, Boston has approximately 235 miles of combined sewers and 37 active CSO outfalls. Lots of outfalls are simply known by a public used name, e.g. Boston Outfall. Submarine outfalls are common throughout the world and probably number in the thousands.