Appendix D - Noosa Plan 2020 Assessment

Performance Outcomes                      Acceptable Outcomes                   Response

Stormwater quality and protection of receiving waters

PO6                                       AO6.1                                 Not Applicable

Development is located,                   Stormwater runoff discharging         The proposal does not involve
designed, constructed and                 into High Ecological Value waters     Stormwater runoff discharging
operated to protect and enhance           as a result of development            into High Ecological Value
environmental values and water            causes no increase in gross           waters.
quality of waterways, wetlands,           pollutants, total suspended
lakes, ground waters and                  solids, total phosphorous or total
drainage systems.                         nitrogen compared to a
                                          pre-development scenario.
Editor’s note: Environmental values of
waters and water quality objectives are   AO6.2                                 AO6.2 Can Comply
prescribed in Schedule 1 of the
Environmental Protection (Water)          All stormwater runoff is treated to   The proposal and its stormwater
Policy 2009 and are identified on the     achieve maximum removal of            management systems have been
State Planning Policy Interactive
                                          nutrients, gross pollutants and       designed to meet the standard
Mapping System.
                                          suspended solids as determined        requirements PSP6 Engineering
                                          by cost to efficiency ratios. (e.g.   Design Standards - Roads,
                                          bioretention basins must be sized     Drainage and Earthworks.
                                          to achieve at least 80% reduction
                                                                                Council can impose a reasonable
                                          in total suspended solids, 60%
                                                                                and relevant condition to ensure
                                          reduction in total phosphorous,
                                                                                that the maximum removal of n
                                          45% reduction in total nitrogen
                                                                                nutrients, gross pollutants and
                                          and 90% reduction in gross
                                                                                suspended solids as determined
                                          pollutants >5mm).
                                                                                by cost to efficiency ratios is
                                                                                achieved.



                                          AO6.3                                 AO6.3 Complies

                                          Developments achieve a                The proposal and its stormwater
                                          minimum 3 drop rating consistent      management systems have been
                                          with the Water by Design Living       designed to meet the standard
                                          Waterways Scoring Guide               requirements PSP6 Engineering
                                          (Healthy Land and Water).             Design Standards - Roads,
                                                                                Drainage and Earthworks.
                                          Editor’s note— PSP6 Engineering
                                          Design Standards - Roads, Drainage
                                          and Earthworks provides guidance on
                                          stormwater design and modelling
                                          requirements.

PO7                                       AO7.1                                 AO7.1 Complies

Water quality treatment systems           Water quality treatment systems       The proposal and its stormwater
use natural processes and                 are designed to be integrated         management systems have been
materials, whenever possible,             into the landscape consistent         designed to be integrated into the
and are integrated into                   with the technical design             landscape outcome in



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