Please note that this site is under construction, so results from calculators are not finalised. Results may change as the algorithms in this tool evolve and are refined over time.

About Water Sensitive SA

Water Sensitive SA is capacity building program that provides resources and training to assist practitioners to deliver best practice water sensitive urban design.
This tool provides a user friendly and technically robust method of assessing the performance of the proposed stormwater management and design elements of a development against the nominated performance criteria set out in the SA water sensitive urban design policy) and Council engineering requirements.

Visit the Water Sensitive SA website

The tool should be used in conjunction with the associated guideline and user manual:

Quick Start

To begin please register and/or log in if you have not already. Registration is free.


To get started on project performance against design objectives, go to ‘My Projects’ in the top menu and then click on the ‘New Project’ button. Complete the three pages of the tool and submit it to be able to generate reports.

To generate reports go to ‘Reporting’ in the top menu.  You can save a draft project, or return and edit or update a completed project at any time.

Ensure you save your changes using the ‘Save Draft’ button in the tool or the ‘Update’ button on the third page.

About InSite Water

InSite Water is designed and maintained by Ian Adams BEng(Env) MIEAust GSAP and the team at Organica Engineering. We are an independent engineering consultancy specialising in helping organisations and projects thrive on integrated water management and other sustainability opportunities. We are based in Melbourne, Australia. This site has been developed with the support of Water Sensitive SA, Manningham Council and Melbourne Water.


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