Eden Mill Dam
Eden Mill Dam is a gravity dam located in Harford County, Maryland, built in 1917. It carries a Significant hazard potential classification and has a fair condition assessment.
About Eden Mill Dam
The primary purpose of Eden Mill Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Harford County Parks And Recreation (local government). It impounds the Deer Creek.
The dam stands 18 feet tall and stretches 158 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 17 acre-feet, and collects water from a drainage area of 85 square miles. Completed in 1917, the structure is over a century old.
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 07/25/2024.
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Location
| State | Maryland |
| County | Harford |
| River/Stream | Deer Creek |
| Coordinates | 39.67484, -76.45298 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 158 ft |
| Year Completed | 1917 (109 years old) |
Storage & Hydraulics
| NID Storage | 17 acre-ft |
| Max Storage | 17 acre-ft |
| Normal Storage | 12 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 85 sq mi |
| Max Discharge | 1,549 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Harford County Parks and Recreation |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 07/25/2024 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MD00225 |
| Federal ID | MD00225 |
| More Info | State Dam Safety Program |