Originally Posted by Osem

I reckon the blockage was probably part of a decomposing rat, bits of which have slowly fallen off, thereby allowing water to pass again. Don't worry though because if you've been routinely sterilising the water by boiling and intense UV treatment, there'll be no health risk. If you've been unlucky, however, the first signs of serious infection and the tell-tale madness which results will be a tendency to support Corbyn...