Hobbits Glen Golf Course Dam is an earth dam located in Howard County, Maryland, built in 1966. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 22 ft22 ft tall and 250 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Hobbits Glen Golf Course Dam
The primary purpose of Hobbits Glen Golf Course Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Columbia Association (private). It impounds the Middle Patuxent River-tr near Manorstone.
The dam stands 22 feet tall and stretches 250 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 25 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1966, the structure is well into its service life at over 50 years 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 06/30/2022.
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Location
| State | Maryland |
| County | Howard |
| Nearest City | Manorstone |
| River/Stream | Middle Patuxent River-tr |
| Coordinates | 39.22700, -76.90600 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 22 ft |
| Dam Height | 22 ft |
| Dam Length | 250 ft |
| Year Completed | 1966 (60 years old) |
Storage & Hydraulics
| NID Storage | 25 acre-ft |
| Max Storage | 25 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 1,000 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Columbia Association |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 06/30/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MD00431 |
| Federal ID | MD00431 |
| More Info | State Dam Safety Program |