Stormwater Management Plan MCU17/0014

BORNHORST + WARD | DOONELLA STREET UNITS




                                                         Figure 3: Proposed Treatment Train

         5.4        RESULTS

                    The pollutant reductions for the ultimate developed phase of the site, with the inclusion of the detailed
                    treatment train, as obtained from the MUSIC model and analysis are summarised in Table 4.

                                                     Table 4: Pollutant Removal Rates Discharge
                     Pollutant                               TSS (%)            TP (%)            TN (%)            GP (%)

                     Treatment Train Effectiveness            85.7               68.3              45.0             100.0

                     WQOs                                     80.0               60.0              45.0              90.0


                   As indicated in the table above, the removal rates for the target pollutants; total suspended solids (TSS), total
                   phosphorus (TP), total nitrogen (TN) and gross pollutants (GP) are all above the water quality objectives
                   stipulated in the State Planning Policy for the South East Queensland Region. Therefore, the proposed
                   treatment train for these areas will yield satisfactory pollutant removal.




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