Harmar Storage Pond No 4, located in Harmar Township, Allegheny, Pennsylvania, serves as an essential water resource in the area. Completed in 1980, this private earth dam stands at 39 feet in height and has a storage capacity of 54.2 acre-feet. With a normal storage capacity of 32.38 acre-feet and covering a surface area of 1.91 acres, this dam plays a crucial role in managing water resources in the region.

Managed by the Pennsylvania Department of Environmental Protection, Harmar Storage Pond No 4 is regularly inspected and regulated to ensure its structural integrity and safety. With a low hazard potential and a satisfactory condition assessment, this dam is deemed to be in good working order. While there are no associated spillways or locks, the dam serves its primary purpose effectively, providing water storage for various needs in the area, particularly in times of drought or increased water demand.

As an integral part of the water infrastructure in the region, Harmar Storage Pond No 4 plays a vital role in water management and conservation efforts. With its design focused on functionality and efficiency, this earth dam continues to support the community's water needs while adhering to state regulatory standards and ensuring public safety. For water resource and climate enthusiasts, Harmar Storage Pond No 4 stands as a testament to responsible water resource management and infrastructure development in Pennsylvania.