Old Loch Raven Dam
Old Loch Raven Dam is a masonry dam located in Baltimore County, Maryland, built in 1875. It carries a Low hazard potential classification.
About Old Loch Raven Dam
The primary purpose of Old Loch Raven Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Baltimore City Dpw Reservoir Section (local government). It impounds the Gunpowder River near Loch Raven.
The dam stands 20 feet tall and stretches 400 feet across, creates a reservoir covering 15 acres, has a maximum storage capacity of 300 acre-feet, and collects water from a drainage area of 303 square miles. Completed in 1875, the structure is one of the older dams in the region, with over a century and a half of service.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. The most recent inspection on record was 06/13/2023.
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Location
| State | Maryland |
| County | Baltimore |
| Nearest City | Loch Raven |
| River/Stream | Gunpowder River |
| Coordinates | 39.42580, -76.54171 |
Physical Characteristics
| Dam Type | Masonry |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 400 ft |
| Year Completed | 1875 (151 years old) |
Storage & Hydraulics
| NID Storage | 300 acre-ft |
| Max Storage | 300 acre-ft |
| Normal Storage | 150 acre-ft |
| Surface Area | 15 acres |
| Drainage Area | 303 sq mi |
| Max Discharge | 14,000 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Baltimore City DPW Reservoir Section |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 06/13/2023 |
| Emergency Action Plan | No |
Identifiers
| NID ID | MD00356 |
| Federal ID | MD00356 |
| More Info | State Dam Safety Program |