This report provides the advice and recommendations of the Environmental Protection Authority (EPA) to the Minister for the Environment on the environmental factors and principles relevant to the proposal by the Water Corporation to construct, operate and maintain a new Wastewater Treatment Plant (WWTP) and ocean outfall at Alkimos. The proposal is to develop the plant in stages up to an operational capacity of 160ML/day beyond 2050. There are two proposed sites for the WWTP, Site A and Site B. This report discusses the Environmental Impact Assessment of Site B; Site A is discussed in Bulletin 1238.