Painted yellow salmon now decorate some of the catch-basins of Vancouver, to remind us that what we put into our storm sewers eventually ends up in our oceans.

为提醒我们，我们倒进排水管道的物品最终将流入海洋，在温哥华的一些下水道口，人们描画了黄色的鲑鱼图案。

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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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Engineers build huge storm pipes or sewers to carry the storm water away, but these cause another problem.

工程师们建造了巨大的雨水管或下水道来把暴雨雨水排出去，但是这些设施会引起另一个问题。

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Many people climbed onto their roofs in the pouring rain after storm sewers backed up.

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They show, for example, which manholes lead into storm sewers, some of which are big enough for a person to crawl through.

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In a February report, federal agencies said the genetic material could have been transported by bird feces, fish sampling gear, barges and storm sewers.

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