Fish Lake Wla Grettum, located in Burnett, Wisconsin, is a state-regulated earth dam built in 1972 on Canute Creek. With a height of 12.2 meters and a hydraulic height of 3.5 meters, this dam serves multiple purposes and has a storage capacity of 1,670 acre-feet. The dam's spillway is of the controlled type, ensuring efficient water management and flood control for the surrounding area.

Despite being classified as having a low hazard potential, Fish Lake Wla Grettum has a fair condition assessment as of May 2020. The dam's inspection frequency is every 10 years, with the last inspection conducted in October 2012. The risk assessment for this dam is very high, emphasizing the importance of ongoing monitoring and maintenance to ensure the safety and integrity of the structure.

Managed by the Wisconsin Department of Natural Resources (WIDNR), Fish Lake Wla Grettum is a significant water resource within the region. With its strategic location and vital role in water management, this earth dam continues to be a focal point for water resource and climate enthusiasts interested in sustainable infrastructure and environmental conservation efforts in the area.