Tests carried out by scientists in the Thames Valley have revealed high levels of bacteria in the flood waters that have blighted communities for more than seven weeks.
Experts at Reading University have been testing the rising waters from the Thames and the Kennet which have turned roads into rivers and damaged hundreds of homes and businesses.
As, Mel Bloor reports, the concern is now for the health of those caught up in the floods.
More top news
Police are investigating a fatal shooting at a house in Ringwood after intruders were reported breaking into a house
Former PM David Cameron has a family fight on his hands - over who will get to use the new luxury Shepherd's Hut at his Oxfordshire home
Philippa has Sunday's weather for the east