05 Dec '11, 3pm

Drinking water systems report high carcinogen levels in Pennsylvania and West Virginia

A recent article reports that dozens of drinking water plants in western Pennsylvania and West Virginia have violated the EPA’s limits on trihalomethanes over the last three years. According to the article, "Over that time, 33 different Western Pennsylania drinking water systems have exceeded EPA standards for the carcinogen." Trihalomethane, which can cause cancer, is created when bromide combines with the chlorine used to treat water. Bromide is found in frack flowback, the used fracking fluid that comes out of a well after the well has been fracked. According to the article, the huge spikes in bromide began around the same time as the oil and gas industry began its dramatic expansion in Marcellus shale areas. However, there are other source of bromide, and there is uncertainty about where it's coming from, although there are opinions. This is just one more area where th...

Full article: http://switchboard.nrdc.org/blogs/amall/drinking_water_sy...

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