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Lake Parramatta Geographical processes Human actions can dramatically increase riverbank erosion. These actions include land clearing near creeks and rivers, rural and urban development, trampling by pedestrians and the introduction of exotic vegetation such as trees and vines with shallow roots. Stormwater drainage has led to the increased flow of water in rivers during storms, due to the excess amount of water flowing into the river, the sediment on the bottom of the river is …

…be avoided. There are also fines for removing plant and soil material from the catchment as this may assist in bank erosion and damage the ecosystem in the lake. UPRCT hope to regenerate lake Parramatta to it previous swimmable state by 2005, this would probably be done with the aid of other groups (Fish enthusiast groups, Native plant enthusiast groups, Stream watch) and Lake Parramatta will be slowly nurtured back into its former state of glory.