Page 108 - Yucaipa Sustainable Groundwater Management Agency - Yucaipa SGMA
P. 108

Restoration of percolation
                    Removing Top Layer of Sediment
          Fouled Column Q Restored by
                                Restored
                                     Column






                                                                                 Clogging



                                                                                      layer  by aspiration of  accumulated fines from  removed upper 1cm of column  consistent with hypothesis  that percolation reduction  caused by foulant  accumulation at the soil/water  Yucaipa Sustainable Groundwater Management Agency - January 23, 2019 - Page 76 of 137 interface









                                Clogged   Column
   103   104   105   106   107   108   109   110   111   112   113