Boulder Lake Bb Dike, located in St. Louis County, Minnesota, is a crucial structure designed for hydroelectric purposes on Otter Creek. Built in 1919, this earth dam stands at a height of 20 feet and has a storage capacity of 30,300 acre-feet. The dam serves as a source of recreation while also providing essential hydroelectric power to the region.

Managed by the Minnesota Department of Natural Resources, the Boulder Lake Bb Dike is subject to state regulation, inspection, and enforcement to ensure its safety and functionality. Despite being classified with a low hazard potential, the dam undergoes regular inspections every three years to assess its condition and mitigate any risks. The Federal Energy Regulatory Commission oversees the regulatory and inspection processes for this structure.

With its historical significance and dual purpose of hydroelectric generation and recreation, Boulder Lake Bb Dike is a vital component of the water resource infrastructure in the region. As climate change continues to impact water resources, structures like this dam play a crucial role in managing and harnessing water for both environmental and human needs. Those interested in water resource management and climate adaptation would find the Boulder Lake Bb Dike an intriguing case study in sustainable infrastructure development.