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Fouling Layer Accumulation Leads to
             Fouling Layer Accumulation Leads to
                      Percolation Rate Decay
                      Percolation Rate Decay
                                  Water Percolation   decline  observed in  Kraemer Basin   during  percolation of  Santa Ana  River (SAR)   water  180  160  140  120  SAR 3/2005 - 7/2005 Yucaipa Sustainable Groundwater Management Agency - January 23, 2019 - Page 64 of 137
                                 asin Percolation, SAR





                                                                                                              r Filling

                                                                                                         100        SAR 11/2004 - 2/2005






                                                                                                              fte




                                                                                                         80   ys a


                                                                                                              Da








                                 raemer B                                                                60














                                 K                                                                       40         SAR 12/4/1998 - 5/5/1999







                                                                                                         20












                                                                                                         0

                                         9      8      7     6  3 2  5     4      3     Percolation, Avg. ft /ft *day  2  1  0
   79   80   81   82   83   84   85   86   87   88   89