This is a cup of cloudy water.

这是一杯混浊的水。

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Even the smallest daily activity, like brushing one's teeth, requires a trip to the tank, where people pay a large portion of their meager salaries for containers of cloudy,brackish water.

VOA: standard.2010.08.04

The chemical, used to treat cloudy water, went straight into the main water supply.

BBC: Lowermoor treatment works, Camelford

Without the cloudy water the chub became vulnerable.

ECONOMIST: Flooding the Grand Canyon

The machine blends iron, bleach and sodium hydroxide to form a dark purple liquid mixture of ferrate, salt and water that gets metered into the water supply. (The color disappears instantly as it reacts with the water.) Common disinfectants ozone and chlorine can turn the water cloudy or, worse, leave behind harmful chemical by-products.

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