在贫穷、干旱的地区，未经处理的废水是让农民维持生计的唯一可用灌溉资源。

In poor, dry regions, untreated wastewater is the only viable irrigation source to keep farmers in business.

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例如，哥伦比亚卫生设施的改善使得废水在未经处理的情况下流入河流。

For instance, in Colombia, improved urban sanitation has resulted in untreated wastewater flowing into rivers.

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环境部长拉梅什说，印度正展开一个10年的项目，用来保证未经处理的工业废水和城市污水不能流入印度主要河流恒河。

Ramesh says India has undertaken a 10-year program to ensure no untreated industrial effluent or urban sewage is released into the country's main river, the Ganges.

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