Aerotropolis Stormwater Update

The Aerotropolis is a once-in-a-generation opportunity to create a thriving, sustainable city. As Regional Stormwater Authority, we’re committed to supporting the delivery of regional stormwater infrastructure to service the Aerotropolis. We’re pleased to share an update with you on our stormwater planning for the Aerotropolis.

Have your say

We’ve just released the Aerotropolis Draft Integrated Stormwater Scheme Plan for Duncans Mulgoa. We’d like your feedback by making a submission before the public exhibition closes on Friday 19 September 2025. To find out more about what we are planning, visit the Duncans Mulgoa page.

Consultation Outcomes Report

The public exhibition period for the Aerotropolis Draft Integrated Stormwater Scheme Plans for Wianamatta Badgerys & Cosgroves closed in May 2025. The Consultation Outcomes Report is now available for you to read, and outlines how we engaged with the community, what we heard, and how we’ve responded. Thank you to everyone who participated and provided feedback – we appreciate you taking the time to share your views. To view the Consultation Outcomes Report, visit the Wianamatta Badgerys and Cosgroves page.

  • Your guide

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

    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 Your guide here. 

  • Interactive map

    You can see the proposed infrastructure, right down to a property level, on the interactive map.

    You can also drop markers with your comments directly on the map.

    Check out the interactive map 

  • 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