Twin Lakes Upper Pond (hoile Lane)
Twin Lakes Upper Pond (hoile Lane) is an earth dam located in Calvert County, Maryland, built in 1970. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Twin Lakes Upper Pond (hoile Lane)
The primary purpose of Twin Lakes Upper Pond (hoile Lane) is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Twin Lakes Community Association, Inc. (private). It impounds the Cocktown Creek-tr near Huntingtown.
The dam stands 15 feet tall and stretches 290 feet across, creates a reservoir covering 1 acres, has a maximum storage capacity of 20 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1970, 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. The most recent inspection on record was 12/05/2022.
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Location
| State | Maryland |
| County | Calvert |
| Nearest City | Huntingtown |
| River/Stream | Cocktown Creek-tr |
| Coordinates | 38.65149, -76.61024 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 290 ft |
| Year Completed | 1970 (56 years old) |
Storage & Hydraulics
| NID Storage | 20 acre-ft |
| Max Storage | 20 acre-ft |
| Normal Storage | 10 acre-ft |
| Surface Area | 1 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 204 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Twin Lakes Community Association, Inc. |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 12/05/2022 |
| Emergency Action Plan | No |
Identifiers
| NID ID | MD00493 |
| Federal ID | MD00493 |
| More Info | State Dam Safety Program |