Fawn Lake Dam, located in Mason County, Washington, was completed in 1966 for the primary purpose of recreation. This privately owned earth dam stands at a hydraulic height of 36 feet and a structural height of 33 feet, with a length of 240 feet. The dam has a normal storage capacity of 580 acre-feet and a maximum storage capacity of 640 acre-feet, serving as a source of water for the surrounding area.

Managed by the Washington Department of Ecology, Fawn Lake Dam is classified as having a low hazard potential and is currently rated as "Not Rated" in terms of condition assessment. The dam overlooks the Tr-Puget Sound river and is situated within the Congressional District 10 of Washington. While the dam has not been modified in recent years, it undergoes regular state inspections, with state jurisdiction, regulation, permitting, and enforcement in place to ensure its safety and compliance with regulations.

Water resource and climate enthusiasts will find Fawn Lake Dam to be an interesting site for its role in providing recreational opportunities and water storage in the region. With its picturesque location and vital function in the local ecosystem, the dam serves as a reminder of the importance of proper dam management and maintenance in the face of changing environmental conditions.