Japan's Fukushima Daiichi nuclear power plant was damaged by the earthquake on March 11. Photo credit: presstv.com

Traces of radioactive iodine linked to quake-hit Japan’s nuclear power plant have been found in rainwater samples taken last week in Massachusetts, US.

The low level of radioiodine-131detected in Massachusetts rainwater samples is comparable to the amounts found in California, Washington and Pennsylvania.

However, public health officials say the pollution poses no threat to drinking supplies, Reuters reported on Monday.

“The drinking water supply in Massachusetts is unaffected by this short-term, slight elevation in radiation,” said Massachusetts Public Health Commissioner John Auerbach.

“We will carefully monitor the drinking water as we exercise an abundance of caution,” he added.

Health officials also say they have found no detectable radiation in air samples examined in Massachusetts.

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