After the lake continued to be approximately one foot below normal level, the next year another leak was found where a  beech tree had grown on top of a 19th-century brick sewer pipe that was along the southern shore of the lake.
After the lake remained about one foot below its usual level, another hole was discovered where a beech tree had sprouted on top of an 18th-century brick sewer pipe that lay along the southern edge of the lake.