Upper Eau Claire Lake, also known as Big Robinson Lake in Bayfield County, Wisconsin, is a privately-owned reservoir that serves primarily for recreational purposes. This gravity dam, completed in 1950, stands at a height of 6.1 meters and has a hydraulic height of 3 meters. With a storage capacity of 4000 acre-feet and a surface area of 1030 acres, this dam plays a crucial role in regulating water flow and providing water-based activities for enthusiasts in the area.

Managed by the Wisconsin Department of Natural Resources, Upper Eau Claire Lake is subject to state regulations, inspections, and enforcement to ensure its safety and functionality. Located at coordinates 46.3043552 latitude and -91.5003605 longitude, this dam has a high hazard potential due to its condition assessment not being rated. Despite this, the risk assessment for the reservoir is moderate (3), emphasizing the need for continued monitoring and potential risk management measures to ensure the safety of surrounding communities and the environment.

For water resource and climate enthusiasts, Upper Eau Claire Lake offers a fascinating case study in dam management and the intersection of recreation with environmental stewardship. With its picturesque location in Bayfield County and its importance in water storage and regulation, this dam serves as a vital resource for the region while also posing potential risks that require proactive measures to mitigate. As efforts continue to ensure the safety and sustainability of this reservoir, it remains a key focal point for those interested in the intricate balance between human activities and natural ecosystems.