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Stormwater outlet improvement

We are planning on upgrading existing stormwater infrastructure at North Steyne to improve the stormwater quality entering the ocean at Manly Beach.

Works will include the installation of a Stormwater Quality Improvement Device called Gross Pollutant Traps (GPT) near the outlet of the existing stormwater network. The proposed GPT will capture pollutants such as litter, sediments and oils from stormwater runoff before it has a chance to enter our ocean.

Two new stormwater pits will also be installed along Manly Promenade to divert water to the proposed GPT.

As part of the work, we will remove the current pipe outlet on the beach and replace it with a more efficient and less intrusive outlet hidden under the Manly Promenade.

The improvement to water quality in the area will benefit residents, beach goers and visitors alike for years to come.

Aerial image proposed location for gross pollutant trap and stormwater upgrade at North Steyne

Aerial - proposed stormwater upgrade at North Steyne


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Have an enquiry?

Sadiya King

Team Leader, Stormwater Design & Delivery

Call 1300 434 434 or email