Eaton Reservoir, located in Greenfield Township, Erie, Pennsylvania, is a vital water supply source managed by the local government. Built in 1939, this Earth-type dam stands at 22 feet high and spans 840 feet, with a storage capacity of 4,650 acre-feet. The reservoir covers a surface area of 246 acres and serves the primary purpose of water supply, drawing from the TR French Creek.

Despite its importance, Eaton Reservoir poses a high hazard potential with a poor condition assessment, indicating the need for maintenance and upgrades. The dam is regulated by the Pennsylvania Department of Environmental Protection, ensuring compliance with state regulations for inspection, permitting, and enforcement activities. In 2008, the dam underwent modifications to enhance its safety and operational efficiency.

Water resource and climate enthusiasts will appreciate the historical significance and ecological impact of Eaton Reservoir, as well as the ongoing efforts to ensure its resilience and functionality. With its critical role in providing water to the surrounding community, this dam serves as a testament to the importance of sustainable water management practices in the face of changing environmental conditions.