Spring Valley Lake in Allegheny, Pennsylvania, is a private recreational water resource regulated by the Pennsylvania Department of Environmental Protection. Built in 1964, this earth dam stands at 43 feet high and spans 435 feet in length, providing a surface area of 3 acres for recreation. With a normal storage capacity of 31 acre-feet, the dam has a low hazard potential and is currently in fair condition as of its last inspection in July 2017.

Located in Richland Township, Spring Valley Lake is a popular spot for water and climate enthusiasts to enjoy outdoor activities such as fishing, boating, and wildlife observation. The dam is situated on TR Montour Run and is under the jurisdiction of the Pittsburgh District. Despite its limited drainage area of 0.1 square miles, the lake offers a serene escape for visitors seeking a peaceful retreat in the heart of Pennsylvania.

With its tranquil setting and recreational purpose, Spring Valley Lake serves as a haven for nature lovers and outdoor enthusiasts. While its primary function is for leisure activities, the dam also plays a crucial role in water resource management and environmental conservation efforts in Allegheny County. As a privately-owned structure, it is subject to regular inspections and maintenance to ensure the safety and integrity of the dam for the surrounding community.