Torrential downpours last week have forced the closure of the Oldfield Creek Hatchery, as well as damage to surrounding trails.
Storms from last week have prompted the emergency release of more than 8,000 fish due to debris.
A significant amount of debris from the resulting slides, caused a portion of the reservoir intake to fill, blocking a portion of the Creek from the fish, and prompting their release.
Wantage Road, which runs past the Creek, is currently at risk of future damage, and traffic is being rerouted.
In addition, weather has rendered nearby trails useless, and destroyed or eroded a number of trails and foot bridges.
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