Seemingly minor oversights in drainage management can have severe consequences, particularly given the complexities associated with interfacing temporary construction-phase drainage with permanent stormwater infrastructure.

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Some team additions feel like a full circle moment. Alec McKay first came through Topo's doors as a work experience student…

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The Emerson’s Aggregate Test is frequently used to determine whether soils are expected to be dispersive or not.

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Topo and Healthy Land & Water upskill 50+ professionals in erosion and sediment control across North Queensland.

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Managing erosion and sediment control during the building phase can be just as challenging as during the development and earthworks phases.

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Merry Christmas from the TOPO team!

From navigating projects on land… to making a splash in 2025…

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If you are not aware IECA Australasia has recently released the updated Best Practice Erosion & Sediment Control (BPESC) document.

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TOPO directors Terry and Steven recently presented at the annual IECA Conference in Melbourne.

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Topo, in partnership with Townsville City Council, has delivered both introductory and advanced ESC training sessions this month, focusing on ESC management across North Queensland and current best practices.

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While Type A and Type B basins have significantly improved the quality and control of discharge water, they’re not without their limitations. This has resulted in the evolution of Type E basins.

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What a year it's been! A massive THANK YOU to everyone who has been part of our 2024 - whether you joined one of our training courses, worked with us on a project, or just cheered us on from the sidelines.

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A big thanks to the organisers, sponsors, exhibitors and speakers of the recent IECA - International Erosion Control Association Australasia Annual Conference in Queenstown, NZ.

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