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Project update December 2025

The detention basin upgrade at William Eatts Reserve, Sellicks Beach is on track to finish in early January 2026.

Shaping and excavation will be completed this week.

The basin and its gently sloped sides will be sprayed with a mix of water and mulch to help reduce dust and protect the soil over the Christmas break.

Finishing work, including laying jute matting to help stabilise the soil, will restart from 5 January 2026 and are expected to take about a week, weather permitting.

Planting of new vegetation is scheduled to begin in May 2026 to align with the planting season.

Construction workers use excavators to form a shallow drainage channel, placing rock-filled wire cages across it to manage water flow, with safety cones, trees and the ocean visible in the background on a sunny day.

Shaping and excavation work

Construction workers use excavators to form a shallow drainage channel, placing rock-filled wire cages across it to manage water flow, with safety cones, trees and the ocean visible in the background on a sunny day.

  • Background

    This important upgrade will improve how stormwater is managed within the reserve.

    Work is due to commence in December and will be undertaken in two stages.


    Learn more 

  • Plantings

    We’ll remove a small number of trees and plants so the basin can work safely during big rains. In their place we’ll replant 10+ trees and hundreds of shrubs and grasses—more than we remove.

    Learn more 

  • Project updates

    Find out the latest update or catch up on any news you missed relating to this project.

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Concept plan showing proposed upgrades to the Riviera Road stormwater detention basin in Sellicks Beach. Key features include basin enlargement, rock mattress chutes for water flow control, low mounding with hydroseeding, removal of one tree, landscaping

This plan shows proposed improvements to the stormwater detention basin near the Sellicks Community Hall. The key features include:

  • Widening of the existing detention basin to improve stormwater capacity
  • Addition of rock-lined chutes to manage water flow
  • Landscaping across the basin area, including planting and feature rocks
  • Removal of some existing trees and retention of others. Following the civil works we will plant trees and shrubs, that include the species that were planted in previous years by the community.
  • The nearby tennis courts, carpark, and play area are shown for reference

These upgrades aim to better manage heavy rainfall, reduce erosion, and improve the appearance of the area.