Tower Hill Community Pond Dam (tower Hill Road) is an earth dam located in St. Mary's County, Maryland, built in 1975. It carries a Significant hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 18 ft18 ft tall and 312 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 Tower Hill Community Pond Dam (tower Hill Road)
The primary purpose of Tower Hill Community Pond Dam (tower Hill Road) is fish and wildlife pond. The dam creates habitat for fish and wildlife, supporting local ecosystems and potentially serving conservation goals. The dam is owned by Tower Hill Civic Association (private). It impounds the Poplar Creek.
The dam stands 18 feet tall and stretches 312 feet across, creates a reservoir covering 12 acres, has a maximum storage capacity of 28 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1975, 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 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 03/11/2022.
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Location
| State | Maryland |
| County | St. Mary's |
| River/Stream | Poplar Creek |
| Coordinates | 38.21771, -76.57503 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 312 ft |
| Year Completed | 1975 (51 years old) |
Storage & Hydraulics
| NID Storage | 28 acre-ft |
| Max Storage | 28 acre-ft |
| Normal Storage | 15 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 22 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | Tower Hill Civic Association |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 03/11/2022 |
| Emergency Action Plan | No |
Identifiers
| NID ID | MD00247 |
| Federal ID | MD00247 |
| More Info | State Dam Safety Program |