ASSESSMENT FOR ENVIRONMENTAL SIGNIFICANCE OF PETROLEUM ACTIVITY IMPACTS: COONGIE LAKES CASE STUDY

Abstract

The introduction of changes to petroleum regulation in South Australia will, and have, resulted in some concern by industry, particularly in the area of public consultation. Primary Industry and Resources South Australia (PIRSA)-Petroleum Group's development of a set of guidelines for determination of project environmental significance is aimed to give a clearer indication of the level of consultation, documentation and assessment appropriate for each project. The Coongie Lakes assessment case study gives an indication of how these concepts can be applied in a practical sense.

The assessment process establishes scales for the level of certainty (predictability) of the potential environmental impacts and the degree to which the consequences of the potential impacts can be managed or avoided (manageability). This process was undertaken for the seismic proposal in the Coongie Lakes area and provides an innovative approach to project assessment. The predictability and manageability charts prepared for all potential impacts provides a method of presenting a vast amount of information very concisely. The definition of assessment guidelines allows potential environmental impacts to be expressed in a quantitative manner, and leads to evaluation of these impacts against a defined level of community acceptability. The approach also demonstrates a degree of rigour in the assessment process and is transparent to all stakeholders. In addition, the predictability and manageability charts focus attention to issues which have higher ratings, and thus a need for closer attention. The feedback from stakeholders on this innovative assessment technique indicates a general acceptance of the approach and the criteria definitions used, although some adjustment and refinement is required.