Morris Millpond Dam is a gravity dam located in Sussex County, Delaware, built in 1929. It carries a Significant hazard potential classification.
Dam profile
NID height · 10 ft10 ft tall and 400 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic concrete gravity section and the water level is illustrative.
About Morris Millpond Dam
The primary purpose of Morris Millpond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Vincent Street (private). It impounds the Deep Branch near Millsboro.
The dam stands 10 feet tall and stretches 400 feet across, creates a reservoir covering 44 acres, and has a maximum storage capacity of 440 acre-feet. Completed in 1929, the structure is well-established, with more than 75 years of service.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life.
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Location
| State | Delaware |
| County | Sussex |
| Nearest City | Millsboro |
| River/Stream | Deep Branch |
| Coordinates | 38.64000, -75.31667 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 10 ft |
| Dam Height | 10 ft |
| Dam Length | 400 ft |
| Year Completed | 1929 (97 years old) |
Storage & Hydraulics
| NID Storage | 440 acre-ft |
| Max Storage | 440 acre-ft |
| Surface Area | 44 acres |
Ownership & Safety
| Purpose | Recreation |
| Owner | Vincent Street |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | DE00067 |
| Federal ID | DE00067 |
| More Info | State Dam Safety Program |