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Samples violate the standards. theres a lot of contamination out there, and moat of that has to do with the weather. the more runoff and rain you have, the more contaminants that get into the water. one of the worst areas for overall vile layings happens to be in the great lakes. this is a study from 2008, by the way, and does not include the oil impact. this is a five star rating system and they grade this on a number of factors based on water quality, how things have been in the past, how ofte...