Oil seepage at Christmas Cove from historical leaks, contaminated groundwater 16/12/2023 FacebookTwitterEmail A map of the Penneshaw area released by the Environment Protection Authority of SA shows the flow of underground water bringing contaminants to Christmas Cove. Picture supplied Stan Gorton Historical oil leaks that occurred over a long period of time are the likely sources of the groundwater contamination at […] Subscribe or Login to see the rest of the content. Username Password Remember Me Forgot Password