Located in Cove Point, Maryland, the Cove Point Lng Secondary Dam, also known as the Columbia Lng Secondary Dam, serves as an essential structure for managing tailings in the area.
Wind
Humidity
Constructed in 1974, this earth dam stands at a height of 35 feet, with a hydraulic height of 28 feet and a structural height of 38 feet. With a length of 230 feet and a storage capacity of 42 acre-feet, this dam plays a crucial role in regulating water flow and storage in the region.
Managed by a private entity, the Cove Point Lng Secondary Dam is subject to state regulations and inspections by the Maryland Dam Safety agency. The dam is situated on Wilbur Creek, with a drainage area of 0.2 square miles and a surface area of 1.6 acres. Despite being classified as having a significant hazard potential, the dam is currently in fair condition, as assessed in April 2021. Additionally, the dam has undergone modifications in 2000 to enhance its structural integrity, highlighting the commitment to ensuring its safety and functionality.
With a spillway width of 3 feet and an uncontrolled spillway type, the Cove Point Lng Secondary Dam is equipped to manage maximum discharges of up to 181 cubic feet per second. The dam's risk assessment categorizes it as moderate, with a rating of 3, indicating the need for ongoing monitoring and management measures. As a vital component of the local water resource infrastructure, this dam contributes to the overall ecosystem health and climate resilience of the Cove Point area.
Years Modified |
2000 - Structural |
Year Completed |
1974 |
Dam Length |
230 |
Dam Height |
35 |
River Or Stream |
Wilbur Creek |
Primary Dam Type |
Earth |
Surface Area |
1.6 |
Hydraulic Height |
28 |
Drainage Area |
0.2 |
Nid Storage |
42 |
Structural Height |
38 |
Outlet Gates |
Needle - 0 |
Hazard Potential |
Significant |
Foundations |
Unlisted/Unknown |
Nid Height |
38 |