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Biosolids are a product of treated sludge from a wastewater treatment plant and can be used as a soil conditioner or fertiliser for agricultural and horticultural use.

Our biosolids are available to GWMWater customers to 'take and use' for free.


What to do

If you're interested in 'taking and using' our biosolids, get in touch with us.


Current Stockpiles

We stockpile biosolids for at least three years to meet Environmental Protection Agency (EPA) safety standards.

Stockpiles are currently available at the following locations: 

Stockpiled since
Horsham 2009
Sea Lake 2009
Kaniva 2013
Stawell 2013



A biosolids stockpile


Further information...


Adobe PDF file icon 24x24Guidelines for Environmental Management - Biosolids Land Application (1.1MB, 88 pages)

Published by: Environmental Protection Authority (EPA) Victoria

Date: April 2004


Australian and New Zealand Biosolids Partnership (ANZBP) (external website)

The ANZBP website provides information about biosolids including, how they are produced, what is in them, how they can be used, their benefits and the potential risks of using them.




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