The current recommended limit for arsenic in drinking water is 10 μg/Lalthough this guideline value is designated as provisional due to practical difficulties in removing arsenic from drinking water.

What is the allowable limit for arsenic in groundwater?

The maximum permissible limit for arsenic in drinking water according to the BIS standard (IS 10500: 2012) is 0.01 mg/l (ppm) or 10 µg/L(ppb).

WHO ppb limit for arsenic in drinking water?

Arsenic is a toxic metalloid identified as a human carcinogen (International Agency for Research on Cancer). The WHO guideline value for arsenic in drinking water is 10ppb. Currently, the allowable limit for arsenic in drinking water is 50 ppb in most arsenic-affected Asian countries.

What is the acceptable level of arsenic?

The U.S. Environmental Protection Agency (US EPA) sets the maximum arsenic contamination level (MCL) for public water supplies at 0.010 mg/L. This is equivalent to 0.010 parts per million (ppm), 10 micrograms per liter (µg/L) or ten parts per billion (ppb).

How much arsenic is in the water?

In drinking water: The Environmental Protection Agency (EPA) limits the maximum amount of arsenic allowed in U.S. drinking water to 10 micrograms/liter (μg/L), or ten parts per billion (ppb). For bottled water, the US Food and Drug Administration (FDA) has set a limit of 10 ppb.

Sources, effects and allowable limits of arsenic in drinking water.

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