Thomson Dam No 2a & 2b, located in Carlton, Minnesota, along the St. Louis River, is a captivating structure with a rich history dating back to its completion in 1907. This gravity and rockfill dam stands at a height of 23 feet and stretches 530 feet in length, providing hydroelectric power and recreational opportunities. With a maximum storage capacity of 4,352 acre-feet, the dam serves as a vital resource for water management in the region.

Managed by the Federal Energy Regulatory Commission, Thomson Dam No 2a & 2b is subject to regular state inspections, regulations, and enforcement to ensure its safety and efficiency. The dam's high hazard potential underscores the importance of maintaining its structural integrity and emergency preparedness. Additionally, its risk assessment highlights the need for robust risk management measures to mitigate potential threats and ensure the safety of surrounding communities.

As a key component of the water infrastructure in the area, Thomson Dam No 2a & 2b plays a crucial role in supporting the region's energy needs and providing recreational opportunities. With its historical significance, impressive design, and essential functions, this dam stands as a testament to the intersection of water resource management, climate resilience, and infrastructure development in Minnesota.