Elkem Sludge Holding Pond 5c Dam, located in Ashtabula, Ohio, was completed in 1988 and serves as a crucial structure for tailings management. This private dam, designed by BURGESS & NIPLE, LIMITED, stands at a height of 20 feet and has a length of 2475 feet, with a storage capacity of 190 acre-feet. The dam is state-regulated by the Department of Natural Resources and undergoes regular inspections, with the last assessment conducted in October 2017, revealing a fair condition.

Situated near a tributary to Lake Erie, the Elkem Sludge Holding Pond 5c Dam plays a pivotal role in water resource management, with a significant hazard potential noted. The dam covers a surface area of 9.3 acres and has a drainage area of 0.02 square miles, further emphasizing its importance in maintaining water quality and quantity in the region. Despite its fair condition, the dam's emergency action plan and risk assessment measures are yet to be fully developed, raising concerns for potential risks associated with the structure.

For water resource and climate enthusiasts, the Elkem Sludge Holding Pond 5c Dam stands as a notable earth dam that warrants attention and monitoring. With its strategic location and role in tailings management, the dam serves as a key component of the region's infrastructure. Continued regulatory oversight and the implementation of risk management measures are essential to ensure the safety and effectiveness of this vital water resource structure in Ashtabula, Ohio.