Civil Engineering Report

WATER QUALITY & DRAINAGE CODE
Performance Criteria and Acceptable Solution
23 Bottlebrush Avenue, Noosa Head
22 May 2025
             PERFORMANCE OUTCOMES                                                ACCEPTABLE OUTCOMES                                                             RESPONSE
Editor’s note: Environmental values of waters                       AO6.2
and water quality objectives are prescribed in                      All stormwater runoff is treated to achieve
Schedule 1 of the Environmental Protection                          maximum removal of nutrients, gross pollutants
(Water) Policy 2009 and are identified on the                       and suspended solids as determined by cost to
State Planning Policy Interactive Mapping                           efficiency ratios. (e.g. bioretention basins must
System.                                                             be sized to achieve at least 80% reduction in
                                                                    total suspended solids, 60% reduction in total
                                                                    phosphorous, 45% reduction in total nitrogen
                                                                    and 90% reduction in gross pollutants >5mm).


                                                                    OR


                                                                    AO6.3
                                                                    Developments achieve a minimum 3 drop
                                                                    rating consistent with the Water by Design
                                                                    Living Waterways Scoring Guide (Healthy Land
                                                                    and Water).
                                                                    Editor’s note— PSP6 Engineering Design
                                                                    Standards - Roads, Drainage and
                                                                    Earthworks provides guidance on stormwater
                                                                    design and modelling requirements.




https://mpncnetau.sharepoint.com/sites/administration/shared documents/10000-10999/10200-10299/10256/codes/22-05-25 water quality & drainage code_issue a.docx
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