Loch Raven Dam, located in Loch Raven, Maryland, is a gravity dam on the Gunpowder River that serves as a crucial water supply source for the region.
Wind
Humidity
Completed in 1923, this impressive structure stands at a height of 130 feet and spans 623 feet in length. With a storage capacity of 145,000 acre-feet and a normal storage level of 72,700 acre-feet, Loch Raven Dam plays a vital role in providing water to the surrounding communities.
Managed by the local government and regulated by the Maryland Dam Safety agency, Loch Raven Dam has undergone modifications by Gannett Fleming to ensure its structural integrity. The dam is classified as having a high hazard potential, but its condition is assessed as satisfactory. Regular inspections and maintenance efforts contribute to the safe operation of the dam, with the most recent inspection conducted in July 2021. Despite its age, Loch Raven Dam continues to be a key component of the water resource infrastructure in the area, demonstrating a commitment to sustainable water management practices and climate resilience.
The dam's design includes a buttress core and is primarily constructed of rock foundations. Its uncontrolled spillway has a width of 288 feet, allowing for the release of excess water during periods of high flow. With a moderate risk assessment score of 3, Loch Raven Dam is subject to ongoing risk management measures to ensure the safety of downstream communities. As a significant player in water supply management and climate adaptation efforts, Loch Raven Dam stands as a testament to the importance of sustainable infrastructure in the face of changing environmental conditions.
Years Modified |
2005 - Structural |
Year Completed |
1923 |
Dam Length |
623 |
Dam Height |
130 |
River Or Stream |
Gunpowder River |
Primary Dam Type |
Gravity |
Surface Area |
2400 |
Drainage Area |
303 |
Nid Storage |
145000 |
Outlet Gates |
Valve - 0 |
Hazard Potential |
High |
Foundations |
Rock |
Nid Height |
130 |