Speedwell Dam, located in Morristown, New Jersey, is a picturesque masonry dam built in 1939 along the Whippany River.
Wind
Humidity
Owned by the local government, its primary purpose is for recreation, offering a tranquil setting for visitors to enjoy. With a height of 13.5 feet and a storage capacity of 349 acre-feet, the dam spans 145 feet in length and covers a surface area of 20 acres.
Despite its fair condition assessment and high hazard potential, Speedwell Dam is regularly inspected by the New Jersey Department of Environmental Protection to ensure its structural integrity and safety. The dam has a normal storage capacity of 77 acre-feet and a drainage area of 25.2 square miles, with a maximum discharge capacity of 4255 cubic feet per second. The dam's location within Morristown Town provides a vital recreational resource for the community, attracting water resource and climate enthusiasts alike to appreciate its natural beauty and significance.
Additionally, Speedwell Dam falls under the jurisdiction of Congressional District 11 in New Jersey, represented by Mikie Sherrill (D). With its historical significance and ongoing regulatory oversight, Speedwell Dam serves as a key landmark in the region, offering both recreational opportunities and a reminder of the importance of proper dam management in ensuring water resource sustainability and climate resilience.
Year Completed |
1939 |
Dam Length |
145 |
Dam Height |
13.5 |
River Or Stream |
Whippany River |
Primary Dam Type |
Masonry |
Surface Area |
20 |
Drainage Area |
25.2 |
Nid Storage |
349 |
Hazard Potential |
High |
Nid Height |
14 |