Johnsons Pond is a gravity dam located in Wicomico County, Maryland, built in 1936. It carries a Significant hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 23 ft23 ft tall and 580 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 Johnsons Pond
The primary purpose of Johnsons Pond is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by City of Salisbury (local government). It impounds the North Prong, Wicomico River near Salisbury.
The dam stands 23 feet tall and stretches 580 feet across, creates a reservoir covering 104 acres, has a maximum storage capacity of 1,930 acre-feet, and collects water from a drainage area of 42 square miles. Completed in 1936, 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. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 10/04/2024.
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Location
| State | Maryland |
| County | Wicomico |
| Nearest City | Salisbury |
| River/Stream | North Prong, Wicomico River |
| Coordinates | 38.37360, -75.60190 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 23 ft |
| Dam Height | 23 ft |
| Dam Length | 580 ft |
| Year Completed | 1936 (90 years old) |
Storage & Hydraulics
| NID Storage | 1,930 acre-ft |
| Max Storage | 1,930 acre-ft |
| Normal Storage | 900 acre-ft |
| Surface Area | 104 acres |
| Drainage Area | 42 sq mi |
| Max Discharge | 8,400 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | City of Salisbury |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 10/04/2024 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MD00011 |
| Federal ID | MD00011 |
| More Info | State Dam Safety Program |