Knowledge base

Biosolids Guidelines

The Guidelines for the safe application of Biosolids to land in New Zealand were produced by Water New Zealand in conjunction with the Ministry for the Environment in August 2003. The project was a joint initiative of the wastewater industry, central and local government and other key stakeholders. The guidelines contain information and recommendations to assist producer dischargers and regulators (Regional Councils) to manage the discharge of biosolids to land in New Zealand.

Guidelines for beneficially reusing organic materials on land are under development which will supercede this guideline. The new guides also includes additional organic material such as animal manures, and other agricultural waste materials, which also contain pathogens and contaminants and is available here.


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