Devon Detention, located in Easttown Township, Pennsylvania, is a privately owned dam primarily designed for flood risk reduction along the TR Darby Creek. Completed in 1986, this earth dam stands at a height of 8 feet and spans 500 feet in length, with a storage capacity of 15 acre-feet. The dam is regulated by the Pennsylvania Department of Environmental Protection, ensuring that it meets state standards for permitting, inspection, and enforcement.

Despite being categorized as having a significant hazard potential, Devon Detention is currently assessed as being in fair condition. The dam undergoes inspections every two years, with the last assessment conducted in April 2019. The emergency action plan (EAP) status for this structure, including preparedness, revision dates, and contact information, remains undisclosed. While there are no inundation maps or detailed risk assessments available, the dam is actively managed to mitigate potential risks and ensure the safety of surrounding communities.

Devon Detention plays a crucial role in managing flood risks in Chester County, Pennsylvania, with its strategic location on TR Darby Creek. As climate change continues to influence weather patterns and increase the frequency of extreme weather events, the maintenance and monitoring of this dam are essential for safeguarding against potential flooding disasters. The dam's operation and regulatory oversight by state authorities contribute to its role in protecting the local area from inundation and ensuring the resilience of water resources in the region.