The Object Of This Action Is The Ecological And Functional Improvement (Geomorphological And Morpho-Dynamic) Of The Fluvial Space Of The Mixed Water Between The Tordera River, The Santa Coloma Stream, The Terra Negra Stream And The Can Roca Stream. The Actions Are In The Line Of Recovering The Space, In Order To Widen The Channels In The Area Of ​​The Water Mixture, Mainly That Of The Stream Of Santa Coloma, Returning To The Water Mixture Its Natural And Original Geometry, While Improving Its Geomorphological And Morpho-Dynamic Functionality