Technical guidance - Environmental Impact Assessment of Marine Dredging Proposals

This Technical Guidance describes the impact prediction and assessment framework that the EPA expects proponents and consultants to use so that predictions of the extent, severity and duration of impacts to benthic habitats associated with significant dredging activities are presented in a clear and consistent manner.

This is generic guidance that applies State-wide and as such, it does not differentiate between types of dredging proposals or regional environmental differences, nor does it provide specific technical guidance on impact prediction methodology for developing or using pressure-response thresholds for predicting environmental impacts

The framework outlined in this guidance is not new and doesn’t signal a fundamental shift from the approach outlined in the EPA’s superseded Environmental Assessment Guideline for Marine Dredging Proposals (EAG 7). Applying the framework across different projects provides a common approach to setting environmental outcomes and for monitoring impacts, which could improve understanding and prediction of dredging related environmental effects.

It should be noted that while the framework outlined in this technical guidance is focussed on the EIA of dredging related activities, the approach can also be applied to the EIA of other types of development proposals to address uncertainty around impact predictions.

Published Date: 
December 13, 2016
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