Greenspring Quarry Dam
Greenspring Quarry Dam is an earth dam located in Baltimore County, Maryland, built in 2007. It carries a Significant hazard potential classification and has a fair condition assessment.
About Greenspring Quarry Dam
The primary purpose of Greenspring Quarry Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Wpm Real Estate Management (private). It impounds the Moores Branch near Pikesville.
The dam stands 16 feet tall, creates a reservoir covering 38 acres, has a maximum storage capacity of 576 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2007, the structure is relatively new.
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. The most recent inspection on record was 12/22/2022.
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Location
| State | Maryland |
| County | Baltimore |
| Nearest City | Pikesville |
| River/Stream | Moores Branch |
| Coordinates | 39.38390, -76.68650 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 16 ft |
| Dam Height | 16 ft |
| Year Completed | 2007 (19 years old) |
Storage & Hydraulics
| NID Storage | 576 acre-ft |
| Max Storage | 576 acre-ft |
| Surface Area | 38 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 4,206 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | WPM Real Estate Management |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 12/22/2022 |
| Emergency Action Plan | No |
Identifiers
| NID ID | MD00446 |
| Federal ID | MD00446 |
| More Info | State Dam Safety Program |