2160 IWMP Report_Jan2022

Source nodes
                                                                                      Catchment B2 -    Catchment B1 -
                                                                 Catchment A (Roof   carparks & access carparks & access
Location                                                              Area)                road              road
ID                                                                      1                   3                  6


Node Type                                                        UrbanSourceNode     UrbanSourceNode UrbanSourceNode
Zoning Surface Type                                                   Mixed               Mixed              Mixed
Total Area (ha)                                                        0.412              0.057              0.039
Area Impervious (ha)                                                   0.412           0.051367955       0.035146496
Area Pervious (ha)                                                      0              0.005632045       0.003853504
Field Capacity (mm)                                                     80                  80                80
Pervious Area Infiltration Capacity coefficient - a                    243                 243                243
Pervious Area Infiltration Capacity exponent - b                        0.6                0.6                0.6
Impervious Area Rainfall Threshold (mm/day)                             1                   1                  1
Pervious Area Soil Storage Capacity (mm)                                18                  18                18
Pervious Area Soil Initial Storage (% of Capacity)                      10                  10                10
Groundwater Initial Depth (mm)                                          50                  50                50
Groundwater Daily Recharge Rate (%)                                     0                   0                  0
Groundwater Daily Baseflow Rate (%)                                     31                  31                31
Groundwater Daily Deep Seepage Rate (%)                                 0                   0                  0
Stormflow Total Suspended Solids Mean (log mg/L)                        1.3                2.43              2.43
Stormflow Total Suspended Solids Standard Deviation (log mg/L)         0.38                0.38              0.38
Stormflow Total Suspended Solids Estimation Method                  Stochastic          Stochastic         Stochastic
Stormflow Total Suspended Solids Serial Correlation                     0                   0                  0
Stormflow Total Phosphorus Mean (log mg/L)                             -0.89               -0.3               -0.3
Stormflow Total Phosphorus Standard Deviation (log mg/L)               0.34                0.34              0.34
Stormflow Total Phosphorus Estimation Method                        Stochastic          Stochastic         Stochastic
Stormflow Total Phosphorus Serial Correlation                           0                   0                  0
Stormflow Total Nitrogen Mean (log mg/L)                               0.37                0.37              0.37
Stormflow Total Nitrogen Standard Deviation (log mg/L)                 0.34                0.34              0.34
Stormflow Total Nitrogen Estimation Method                          Stochastic          Stochastic         Stochastic
Stormflow Total Nitrogen Serial Correlation                             0                   0                  0
Baseflow Total Suspended Solids Mean (log mg/L)                         0                  0.78              0.78
Baseflow Total Suspended Solids Standard Deviation (log mg/L)           0                  0.39              0.39
Baseflow Total Suspended Solids Estimation Method                   Stochastic          Stochastic         Stochastic
Baseflow Total Suspended Solids Serial Correlation                      0                   0                  0
Baseflow Total Phosphorus Mean (log mg/L)                               0                  -0.6               -0.6
Baseflow Total Phosphorus Standard Deviation (log mg/L)                 0                  0.5                0.5
Baseflow Total Phosphorus Estimation Method                         Stochastic          Stochastic         Stochastic
Baseflow Total Phosphorus Serial Correlation                            0                   0                  0
Baseflow Total Nitrogen Mean (log mg/L)                                 0                  0.32              0.32
Baseflow Total Nitrogen Standard Deviation (log mg/L)                   0                  0.3                0.3
Baseflow Total Nitrogen Estimation Method                           Stochastic          Stochastic         Stochastic
Baseflow Total Nitrogen Serial Correlation                              0                   0                  0
Flow based constituent generation - enabled                             Off                Off                Off
OUT - Mean Annual Flow (ML/yr)                                         6.04               0.801              0.548
OUT - TSS Mean Annual Load (kg/yr)                                     174                 318                218
OUT - TP Mean Annual Load (kg/yr)                                      1.07               0.555              0.372
OUT - TN Mean Annual Load (kg/yr)                                      19.3                2.53              1.76
OUT - Gross Pollutant Mean Annual Load (kg/yr)                         140                 18.5              12.6
Rain In (ML/yr)                                                      6.55566             0.906974          0.620561
ET Loss (ML/yr)                                                      0.518733            0.10559           0.0722463
Deep Seepage Loss (ML/yr)                                               0                   0                  0
Baseflow Out (ML/yr)                                                    0                   0                  0
Imp. Stormflow Out (ML/yr)                                           6.03694             0.751687          0.514312
Perv. Stormflow Out (ML/yr)                                             0               0.0496517          0.0339723
Total Stormflow Out (ML/yr)                                          6.03694             0.801339          0.548284
Total Outflow (ML/yr)                                                6.03694             0.801339          0.548284