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Welcome

Welcome to the Stormwater Industry Association of Western Australia.

We are a non-profit State association for the Stormwater Industry.

Become a member and help give our industry a voice in Western Australia. Receive the Stormwater Bulletin, gain access to our archives and get discounts for stormwater events. Sign up here

THE WAIT IS OVER!

A complete advanced draft of ARR is now available for industry comment and use where appropriate. The only outstanding chapter is Book 9 Chapter 6 - Modelling Approaches

This is because it is the last chapter that could be written as it is related to Books 9 and 7.

Click here to read all about the new guide to flood estimation and to download the guide.

Cover Page ARR p8 1.010119