Harmark Lake Dam
Key Takeaway
Harmark Lake Dam is classified as low hazard in Texas. It was completed in 1955 and is 71 years old. Its primary use is recreation.
Physical Details
| Dam Height | 18 ft (taller than 25.8% in TX) |
| Dam Length | 550 ft |
| Dam Type | Earth |
| Max Storage | 80 acre-ft |
| Normal Storage | 39 acre-ft |
| Surface Area | 0 acres |
| Drainage Area | 0 sq mi |
| Year Completed | 1955 (71 years old) |
| NID ID | TX05230 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
HL HARMARK
Private
Nearby Dams
Crea Brothers Lake Dam
Bexar, TX
Low Hazard 18 ftCircle Dot Dam
Bexar, TX
High Hazard 14 ftMartinez Creek WS SCS Site 5 Dam
Bexar, TX
High Hazard 40 ftMartinez Creek WS SCS Site 4 Dam
Bexar, TX
High Hazard 36 ftSalado Creek WS SCS Site 13a Dam
Bexar, TX
High Hazard 42 ftArmy Residence Community Dam
Bexar, TX
High Hazard 14 ftSalado Creek WS SCS Site 12 Dam
Bexar, TX
High Hazard 61 ftSalado Creek WS SCS Site 13b Dam
Bexar, TX
High Hazard 46 ftFrequently Asked Questions
What is the hazard classification of Harmark Lake Dam?
Harmark Lake Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Harmark Lake Dam?
Harmark Lake Dam is owned by HL HARMARK (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Harmark Lake Dam built?
Harmark Lake Dam was completed in 1955, making it 71 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
What is the primary purpose of Harmark Lake Dam?
Harmark Lake Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Harmark Lake Dam?
Harmark Lake Dam has a dam height of 18 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.