Yingst is a privately owned dam located in Dauphin, Pennsylvania, along the TR Fishing Creek. Built in 1999, this Earth-type dam serves primarily as a recreational site, with secondary purposes including irrigation. Standing at 16 feet tall and spanning 585 feet in length, Yingst has a storage capacity of 33.62 acre-feet and covers a surface area of 2.53 acres. It is regulated by the Pennsylvania Department of Environmental Protection and undergoes regular inspections, with its hazard potential classified as significant.

In terms of safety and maintenance, Yingst has been assessed as satisfactory, with a condition assessment indicating no immediate concerns. The dam has a designated inspection frequency of every two years, with the last inspection conducted in July 2018. While emergency preparedness measures such as an Emergency Action Plan (EAP) and inundation maps are not currently documented for Yingst, the dam remains under state jurisdiction and enforcement. With its location in West Hanover Township and the oversight of the Buffalo District, Yingst stands as a vital water resource within the region, serving both recreational and irrigation needs for the community.

For water resource and climate enthusiasts, Yingst presents an intriguing case study in dam management and regulation. With its significant hazard potential and reliance on state oversight, the dam underscores the importance of maintaining infrastructure for both safety and recreational purposes. As climate change continues to impact water resources, the maintenance and regulation of dams like Yingst become crucial in ensuring the safety and sustainability of our water supply. By staying informed and engaged in the management of dams like Yingst, enthusiasts can contribute to the preservation of these essential water resources for future generations.