 the holiday became ill and brookie crawford with the virginia department of health says the most recent lab tests which were the only ones to look for this exact strain we're not able to identify any s-tech 0157 bacteria in the water samples that we collected they do believe though the lake was the source of the eucalypt outbreak but when it comes to the science we can't tell whether or not on memorial day weekend if that was in the water but we can tell you that it's not an ongoing problem