Osborn Mills Dam, located in Bernards Township, New Jersey, stands as a crucial structure for water supply purposes along the Passaic River. This private-owned Earth dam boasts a height of 15 feet and a length of 250 feet, holding a storage capacity of 100 acre-feet. With a normal storage of 30 acre-feet and a drainage area of 10.2 square miles, the dam plays a pivotal role in regulating water flow and ensuring a stable water supply for the surrounding area.

Despite its significant hazard potential, Osborn Mills Dam has been assessed as satisfactory in condition, with the last inspection conducted in March 2020. The dam's emergency action plan (EAP) was last revised in December 2020, emphasizing the importance of preparedness and risk management. With a maximum discharge capacity of 500 cubic feet per second, the dam's design and structure are meticulously maintained to mitigate potential risks and ensure the safety of downstream communities.

As a vital component of the water resource infrastructure in Somerset County, Osborn Mills Dam serves as a testament to the importance of proper regulatory oversight and routine inspections. The dam's location in Madisonville, New Jersey, highlights its crucial role in water management and underscores the need for continued monitoring and maintenance to safeguard the surrounding communities and environment from potential risks associated with its operation.