H Swqmp · 132007.2398

MUSIC Model: Mitigated




MUSIC Results
Date: 19/12/2014
By: IP

Description                                                               Pollutant Load (kg/year)
                                                               TSS          TP              TN          GP
Developed Site Only (Without Mitigation)                      17600        52.7             370         3170
WQOs (Percentage Reduction)                                   80%          60%              45%         90%
Load Reduction Target                                         14080        31.62           166.5        2853
Developed Site plus External Catchment (Without Mitigation)   24400        65.5             426         3430
Developed Site plus External Catchment (With Mitigation)      10300        32.7             255          0
Load Retention Achieved                                       14100        32.8             171         3430
Load Retention Achieved as % of Developed Site Load           80.1%        62%             46.2%        108%
Water Quality Objective Achieved (SPP 4/10)                    YES          YES             YES         YES




Site Only no mitigation                                       Source      Residual       Reduction
Flow (ML/yr)                                                     144.00       144.00                0
Peak Flow (m3/s)                                                   0.88         5.86           -570.4
Total Suspended Solids (kg/yr)                                 17600.00     17600.00                0
Total Phosphorus (kg/yr)                                          52.70        52.70                0
Total Nitrogen (kg/yr)                                           370.00       370.00                0
Gross Pollutants (kg/yr)                                        3170.00      3170.00                0

Site + External Catchment+mitigations                         Source      Residual       Reduction
Flow (ML/yr)                                                     172.00       165.00            3.90
Peak Flow (m3/s)                                                   0.88         5.73         -555.40
Total Suspended Solids (kg/yr)                                 24400.00     10300.00           57.70
Total Phosphorus (kg/yr)                                          65.50        32.70           50.00
Total Nitrogen (kg/yr)                                           426.00       255.00           40.20
Gross Pollutants (kg/yr)                                        3430.00         0.00          100.00