Boulder Lake Dike Cc, located in St. Louis County, Minnesota, is a key structure managed by the Federal Energy Regulatory Commission for hydroelectric purposes. Built in 1919, this earth dam stands at a height of 20 feet and has a storage capacity of 30,300 acre-feet. With a primary purpose of hydroelectric power generation, the dam also serves recreational activities in the area. The dam is regulated by the Minnesota Department of Natural Resources and undergoes regular inspections to ensure its safety and functionality.

The dam on Otter Creek is associated with two other structures and is situated within the St. Paul District of the US Army Corps of Engineers jurisdiction. Despite its low hazard potential, Boulder Lake Dike Cc has not had a recent condition assessment available. The last inspection was conducted in September 2018, with an inspection frequency of every 3 years. While emergency action plans and risk management measures are not specified, the dam continues to play a vital role in water resource management and energy production in the region.

As a focal point for water resource and climate enthusiasts, Boulder Lake Dike Cc stands as a historic landmark in Minnesota's infrastructure landscape. With its dual purpose of hydroelectric power generation and recreational use, the dam plays a crucial role in balancing environmental conservation and energy needs. While its hazard potential is deemed low, ongoing inspections and regulatory oversight ensure the safety and integrity of this essential structure for the community and the surrounding ecosystem.