David Mine Sedimentation Pond No 2 is a private water resource structure located in Armstrong County, Pennsylvania, specifically in Kiskiminetas Township. This Earth-type dam was completed in 1989 and stands at a height of 35 feet, with a length of 270 feet. The pond has a storage capacity of 69 acre-feet and a drainage area of 0.5 square miles, with a surface area of 5 acres.

Managed by the Pennsylvania Department of Environmental Protection, this sedimentation pond serves a primary purpose of 'Other' and is regulated by the state. With a high hazard potential and fair condition assessment, the dam requires regular inspections, with the last one conducted in November 2020. Despite its age, the structure has been maintained to meet safety standards, ensuring its effectiveness in managing sediment and protecting downstream water quality in the TR Long Run.

Water resource and climate enthusiasts will appreciate the critical role that David Mine Sedimentation Pond No 2 plays in environmental protection and sediment control. Its location within the Pittsburgh District and close oversight by state regulators highlight the importance of maintaining and monitoring infrastructure for sustainable water management in the region. As a key component of the local watershed, this pond serves as a vital resource for preserving water quality and mitigating the impacts of mining activities on the surrounding ecosystem.