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Avoid costly unknowns and discover what's in your lagoon. 
YOUR CHALLENGE
HOW WE HELP
Do I even need to dredge?
We provide you with the total cell volume that is occupied by sludge, which is a clear indicator of the need to dredge or not. 
How much do I budget for dredging / desludging?
We determine the in-situ sludge volume and associated sludge dry tonnage, which dredging contractors use to estimate costs of removal.
How do we dispose of the sludge?
We sample and test the sludge to identify your best options for disposal or reuse.
How can I forecast for when dredging is required in the future? 
We conduct two sludge surveys over the course of one year to determine the rate of sludge accumulation. This information provides you with a clear timeline until dredging is necessary. 
How do I know my lagoon has been dredged completely?
Find more information on our DREDGE MONITORING PAGE
MEASURE NOW

3 simple steps to get you started on a successful lagoon dredging project 

MEASURE NOW
Cost overruns and non performance increase significantly when you haven't measured how much sludge you have prior to starting your project.​
Our Hydrographic Sludge Surveys provide you with:
- Dry tonnes of sludge 
- Volumetric quantity of sludge
- Composition of sludge to inform disposal options
- Sludge maps for targeted efficient dredging 
- 3D pdf sludge map for use in presentations to council​
MEASURE NOW
Understand your lagoon and improve dredging efficiency

Our reports provide detailed sludge maps and 3D images to help you gain a clear understanding of your lagoon so you know where dredging resources should be focused
MEASURE NOW