Extra sandbags have been put in place on the River Parrett in Burrowbridge over the last 24 hours, but the water level looked perilously close to overflowing this morning.
Large crowds had gathered - a combination of local residents and the media - to watch as a few leaks turned into a torrent of water that is now pouring down the road.
Residents fear it could make some of the roads impassable and that some of their houses may get cut off.
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The 19-year-old was rushed to hospital by friends, but died a short time later.
The launch was delayed for about two weeks because of bad weather and a mechanical problem.
Some details of the hearing, such as the order of their appearance, remain in negotiation.