The Aerotropolis is a once-in-a-generation opportunity to create a thriving, sustainable city. As the Regional Stormwater Authority, we’re committed to supporting the delivery of regional stormwater infrastructure to service the Aerotropolis.

Have your say on the Draft Aerotropolis Integrated Stormwater Development Servicing Plan

The Draft Aerotropolis Integrated Stormwater Development Servicing Plan (DSP) is now on exhibition for 30 working days, from Tuesday 28 April to 5pm 9 June 2026. This plan sets the charges paid by developers for stormwater servicing within the Aerotropolis Initial Precincts (excluding Mamre Road).

To view the Draft DSP documents and to find out more visit our DSP page.

To make a submission please email your feedback to aerostormwater@sydneywater.com.au before 5pm 9 June 2026.

To help us identify and categorise your submission it would assist us if you include the following in your email submission:

  • Your full name
  • Your organisation’s name (if your submission is on behalf of an organisation)

If you have any accessibility requirements or cannot submit your submission via email, please call us on 1800 645 466 during business hours so that we can make alternative arrangements for you.

Final Scheme Plan now available March 2026

We're pleased to announce the Aerotropolis Integrated Stormwater Scheme for Wianamatta Badgerys, Cosgroves and Duncans Mulgoa catchments are now finalised.

In 2025, we released the draft Integrated Stormwater Scheme plans with the community. Your feedback has helped shape the Final Integrated Stormwater Scheme Plan, refine infrastructure sizing and locations and ensure all technical, environmental and regulatory requirements are met. For more information read the latest community update here.

View the final stormwater scheme on our interactive map.

  • Your guide

    We've developed a summary document that explains the different elements of the Aerotropolis Integrated Stormwater Scheme.

    If you'd like to know more about our plans and what they might mean for you, this is a great place to start.

    Read the guide here 

  • Types of stormwater infrastructure

    We've developed explanations for the different types of stormwater infrastructure included in the scheme plans. You can learn more about each of these and how they work.

    Learn about stormwater infrastructure