Merrill Creek Main Dam, located in Harmony Township, New Jersey, is a privately owned structure that plays a crucial role in managing the Merrill Creek watershed. Completed in 1988, this earth-type dam stands at a height of 280 feet and has a length of 1140 feet, with a storage capacity of 46,000 acre-feet. The dam is regulated by the New Jersey Department of Environmental Protection and undergoes regular inspections to ensure its structural integrity.

With a hazard potential rated as high, Merrill Creek Main Dam is designed to withstand the demands of its surrounding environment. The dam serves as a primary water resource for the region, providing flood control, water storage, and recreational opportunities. Its satisfactory condition assessment as of June 2021 reflects the ongoing maintenance and monitoring efforts to uphold safety standards.

As a key player in water management in the area, Merrill Creek Main Dam serves as a vital infrastructure for not only water resource enthusiasts but also for climate advocates. Its strategic location and design contribute to the overall resilience of the region in the face of changing climate patterns and water resource challenges.