Water sampling Nord stream (IMAGE) University of Gothenburg Caption The researchers took water samples in an area northeast of Bornholm, near the site of the Nord Stream leaks. These showed significantly elevated levels of methane. Credit Adele Maciute Usage Restrictions None License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.