Haul routes, stockpiles and exposed batters can change how water moves through a construction site. Keeping soil out of the drainage network needs regular attention from the people planning and delivering the work, alongside the physical controls shown on the erosion and sediment control plan.
In Victoria, EPA guidance says the general environmental duty requires risks to be eliminated or reduced so far as reasonably practicable, including preventing waste entering stormwater drains. Planning approvals and local laws may add requirements. The controls for a particular job need to reflect its location, activities and conditions. [2]
Disturb less ground, for less time
EPA Victoria puts prevention first. Its erosion guidance identifies soil disturbance, stockpiles, vehicle movements and offsite flows as matters to consider when planning controls. The practical question is how much ground genuinely needs to be exposed for the current stage, and how long it will remain that way. [1]
The Australian Government’s YourHome guidance recommends limiting unnecessary clearing, retaining vegetation where possible and coordinating earthworks with the construction sequence. Surface protection and stabilisation should be planned with the work. Leaving a finished area bare while waiting for the last activity elsewhere on site prolongs its exposure. [3]
At a planning meeting, show the areas being opened, those ready for stabilisation and the access needed to maintain the controls. This gives supervisors and subcontractors a clearer picture than a perimeter fence line alone.
Trace the route to the receiving water
Walk the intended water route on the ground. Identify where runoff arrives, which disturbed areas it can cross and where it leaves the work area. EPA Victoria’s risk-management example considers rainfall, nearby waterways and drains, slopes, soil types and vegetation cover. These factors help explain why a copied arrangement may be unsuitable for another site. [1]
A combination of controls can address different parts of that route. EPA calls this a treatment train: more than one control type reduces the risk. It can bring together prevention, flow management and sediment capture. The selection and layout need to suit the site rather than relying on the presence of a single barrier. [5]
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Include the parts of the site that move
Stockpiles and access points deserve attention during routine planning. EPA warns that vehicles can carry mud onto roads, where rain can wash it into stormwater. It advises protecting stockpiles and keeping them on site, clear of footpaths and roads. A delivery or access change should therefore prompt a check of the surrounding controls. [2]
Wash-up activities introduce other pollutants. EPA notes that concrete washings can alter water pH and obstruct drainage. A sediment-control arrangement should not be assumed to treat every contaminant from painting, concreting or equipment cleaning; those activities need their own appropriate containment and waste-management arrangements. [2]
Consider an illustrative job where the haul route moves to a new gate. The existing fence may remain intact while the new exit creates a different mud-tracking and runoff path. The revised route belongs in the plan, with an owner and completion date for any required changes.
Keep the arrangement working through to stabilisation
Queensland’s MRTS52 provides a useful roadworks example. Its March 2025 edition requires implementation, monitoring and necessary revision of the erosion and sediment control plan. It also requires controls to remain effective as drainage lines change during construction, with dirty water directed into sediment controls. Apply the specification version and requirements included in the project’s contract. [4]
Use the project’s inspection frequencies and rainfall triggers to organise checks and maintenance. Follow the water path, record damage or accumulated material, and identify the person responsible for restoring performance. An inspection entry is much more useful when it closes out a repair or records why further assessment is needed.
Maintain protection through the final stages. YourHome recommends keeping controls in place and maintained until construction is complete and the site is stabilised. The environmental task continues while disturbed ground remains exposed, even after the main earthmoving plant has left. [3]
Sources
[1] EPA Victoria, Manage erosion and sediment from your business (updated 11 March 2026).
[2] EPA Victoria, Prevent stormwater pollution on building sites (updated 20 May 2025).
[3] Australian Government YourHome, Sediment control.
[4] TMR, MRTS52 Erosion and Sediment Control (March 2025), sections 6.4 and 7.
[5] EPA Victoria, Erosion, sediment and dust: treatment train (publication 1893).
Featured photograph: silt fence at a restaurant construction site, Dothan, Alabama, USA, January 2018. Photo: © Tim Kiser / Wikimedia Commons, CC BY-SA 4.0. International illustration; uploaded unchanged, with display resizing or cropping as needed.
