Rangers in Surrey have found what is suspected to be blue-green algae in Frensham Great Pond.
A woman in her 60s and a woman in her 80s were also injured in the crash on Saturday.
Kim Davies took up sailing after beginning to use a wheelchair having had a stroke in 2019.
Planning permission granted for charity building to be used to provide animal-assisted learning.
The Countryside Regeneration Trust wants to install 250 tunnels to track dormice on its Surrey farms.
It is said the cauldron belonged to a white witch who lived in a cave near Frensham.
Change of Scene provides animal-assisted learning for children with special educational needs.
It is hoped the space will provide vital food and shelter for bees, butterflies and other insects.
Blue-green algae can be dangerous to humans, pets and wild animals and needs careful management.
