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If by "cure" you mean make safe to drink, it can be boiled, or treated with a disinfecting chemical, such as chlorine. It can also be treated with ultraviolet light.
This is treated water (drinking water) distributed in a town.
It is recommended to wait at least 5 minutes after drinking water before taking your temperature to get an accurate reading.
make sure it's clean
It is recommended to wait at least 20-30 minutes after drinking water before taking your temperature to get an accurate reading.
It is generally recommended to wait about 30 minutes to 1 hour after eating before drinking water to allow for proper digestion.
acidity
Cholera is a water born bacterial infection - therefore it is POSSIBLE to get it from contaminated tap water. However, in most countries utility tap water is treated to remove/kill off any harmful organisms and is safe to drink. If however in your country the government advises against drinking tap water, this implies that the tap water is not effectively treated and may contain harmful organisms including cholera. In these cases tap water should be boiled before drinking it.
It is recommended to wait at least 20-30 minutes after drinking water before taking your temperature to get an accurate reading.
Water quality before recycling may vary. After it is recycled for drinking then it is drinking water, potable, and fit to drink.
4 hours
It is generally recommended to wait about 30 minutes to an hour after drinking water before urinating. This allows your body to properly absorb the water and for your bladder to fill up before emptying it.