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Why is Yamba Sewerage Upgrade/Project important?

The Yamba Sewerage Augmentation Project ensures all our raw sewage produced now and in the future is adequately treated to a standard suitable for reuse or, in periods when reuse is not possible, for release into the environment.

Environmentally, the upgrade will treat sewage to a higher quality of recycled water, maximise its re-use, and improve the method of its release into the environment.

The upgrade will protect our local natural environment from pollution by excessive nutrients, and from damage by excessive water being released into environments that can’t cope with it. It will also minimise the amount of drinking water used for purposes such as irrigation, thereby increasing our water efficiency and drought-proofing.


Facts & Figures: Currently, only 15% of recycled water produced at the Yamba Sewage Treatment Plant (STP) is reused by irrigation on the Yamba Golf Course. The remainder is released to the environment. The upgraded Yamba STP will produce recycled water to a standard known as Accepted Modern Technology (AMT).

Socially and economically, the upgrade will serve a greater population. The existing Yamba Sewage Treatment Plant (STP) needs increased capacity to handle the amount of sewage produced during peak holiday periods and with future population growth in the Yamba area.


Facts & Figures: The existing sewerage catchment includes Yamba, the villages of Angourie and Wooloweyah, and surrounding areas. The permanent population is about 7000 people, but during peak holiday periods, the population reaches over 12,000 people. The design capacity of the existing STP is 7800 EP, which is insufficient to serve the predicted future population in Yamba of 11,000 EP (permanent) and 17,200 EP (holiday).

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