WQPN 50 - Soil amendment using industrial by-products

Guidance
Water quality protection note on the use of industrial by-products to improve soils.
Last updated:

This note provides advice on water resource management matters to those considering approval for the application of industrial by-products used for broad area soil amendment. It also highlights issues that should be considered by users of soil amendment materials.

The recommendations describe the criteria which may be used by this department to advise on the in-principle use of amendment materials.

Please download the document below.