Where storm sewers are separated from sanitary sewers, runoff enters receiving waters untreated and can carry a variety of wastes, including organic and toxic wastes.

在雨水沟与污水道分开的地方，街道雨水没经过处理并携带各种各样的废物，其中包括一些有机的和有毒的废品流人承接河道。

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Four times as many were perishing from infection and disease as were dying in battle, and the death rate in Nightingale's hospital was higher than in others until the Sanitary Commission arrived and flushed out the sewers upon which the hospital was built.

BBC: The lady without the lamp