E. coli conservatism: On the beach

Don't read this post before eating. From the environmental site Grist [1]:

According to a new report [2] released this week by the Natural Resources Defense Council [3], there were 25,000 beach closings or "swimming advisory days" in 2006. That's 28 percent more than in 2005, and the highest number since they started keeping records on that sort of thing. Some 1,300 days of closings were attributed to sewage spills and overflows, and even more were closed because of "fecal contamination"...