Summer beach closings can spoil a family outing. Beaches are
often closed when high levels of E. coli bacteria are found in the
water.
The trouble is – current tests don’t show how much bacteria is in the
water until a day or two later. That’s too late for people who’ve
already been swimming in the polluted water. But now, as the
Great Lakes Radio Consortium’s Mark Brush reports, researchers may
have found a way to get faster results: