Tony Grove Lake Dam, located in Cache County, Utah, is a federally owned structure primarily used for recreational purposes. Built in 1939, this earth dam stands at a height of 24 feet and has a storage capacity of 465 acre-feet. The dam, situated on the Tony Grove River, serves as a popular destination for water resource and climate enthusiasts, offering opportunities for fishing, boating, and hiking in the surrounding area.

Despite its age, Tony Grove Lake Dam has faced challenges in recent years, with a poor condition assessment and a high hazard potential. The dam underwent modifications in 2005 to improve its hydraulic capabilities, but ongoing inspections and maintenance are necessary to ensure its continued safety and functionality. The Utah Division of Water Rights regulates the dam, with the Forest Service overseeing operations, inspections, and regulatory compliance.

While the dam poses a moderate risk, efforts are being made to manage potential hazards and mitigate any safety concerns. With its picturesque setting and recreational opportunities, Tony Grove Lake Dam remains a beloved feature of the Cache County landscape, attracting visitors who appreciate the intersection of water resources, climate conservation, and outdoor recreation.