De Trobriand Gma #5 is a Federal-owned fish and wildlife pond located in McLean, North Dakota. Completed in 1989, this Earth-type dam stands at 12 feet tall and spans 800 feet in length, with a storage capacity of 250 acre-feet. The primary purpose of this structure is to provide habitat for fish and wildlife in the area, making it an important resource for conservation efforts in the region.

Managed by the North Dakota State Water Commission, De Trobriand Gma #5 is regulated and inspected by state authorities to ensure its safety and functionality. The dam has a low hazard potential and is currently rated as in "not rated" condition. Despite this, a moderate risk assessment score of 3 suggests that there may be potential issues that need to be addressed to maintain the integrity of the structure and prevent any potential risks to the surrounding area.

With a spillway width of 60 feet and a surface area of 29.6 acres, De Trobriand Gma #5 plays a crucial role in managing water resources in the region. While it may not be a high-risk structure, continued monitoring and maintenance are necessary to ensure its effectiveness in supporting the local ecosystem and mitigating potential hazards.