Hidden Valley Pond No 1, located in Somerset, Pennsylvania, is a privately owned earth dam constructed in 1987 for the primary purpose of irrigation. The dam stands at 21 feet high and spans 350 feet in length, with a storage capacity of 15 acre-feet and a surface area of 0.94 acres. Situated on Gross Run in Jefferson Township, this dam is regulated by the Pennsylvania Department of Environmental Protection and undergoes regular inspections to ensure its fair condition and high hazard potential are managed effectively.

Despite its relatively small size, Hidden Valley Pond No 1 plays a crucial role in flood risk reduction and irrigation for the surrounding area. With a drainage area of 0.22 square miles, the dam serves as a vital water resource for agricultural needs and maintains a normal storage capacity of 7 acre-feet. Its location within the Baltimore District and oversight by state regulatory agencies ensure that proper enforcement, inspection, and permitting processes are in place to safeguard the community from potential hazards and ensure the dam's continued functionality for years to come.

Water resource and climate enthusiasts will appreciate Hidden Valley Pond No 1 as a hidden gem in Pennsylvania's landscape, combining engineering ingenuity with environmental stewardship. Its role in supporting local agriculture, managing flood risks, and providing a critical water source underscores the importance of sustainable water management practices in the face of a changing climate. As the dam continues to be monitored and maintained, it stands as a testament to the intersection of human infrastructure and natural resources in creating resilient water systems for the future.