Anderson Dam; Jonathon 1, also known as Wetland #2, is a private fish and wildlife pond located in Logan, North Dakota. Built in 1991 by the USFWS, this earth dam stands at a height of 7.4 feet and has a length of 160 feet. The dam has a storage capacity of 73 acre-feet, with a normal storage level of 28 acre-feet and a surface area of 14 acres.

The dam serves as a habitat for fish and wildlife, with a low hazard potential and a moderate risk assessment rating. It is regulated by the North Dakota State Water Commission (NDSWC) and is subject to state permitting, inspection, and enforcement. The spillway type is uncontrolled, with a width of 50 feet, and there is one vertical lift outlet gate.

Overall, Anderson Dam; Jonathon 1 plays a vital role in supporting the local ecosystem and providing a safe environment for fish and wildlife. With its well-maintained structure and regulatory oversight, this dam stands as a testament to the importance of responsible water resource management in mitigating climate impacts on natural habitats.