Mosher Big Lake Dam
Key Takeaway
Mosher Big Lake Dam is classified as high hazard in Texas. It was completed in 1942 and is 84 years old. Its primary use is recreation. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Height | 26 ft (taller than 55.2% in TX) |
| Dam Length | 1,125 ft |
| Dam Type | Earth |
| Max Storage | 342 acre-ft |
| Normal Storage | 259 acre-ft |
| Surface Area | 39 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 4,466 cfs |
| Year Completed | 1942 (84 years old) |
| NID ID | TX02913 |
Safety Information
Loss of human life is likely if the dam fails.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
MELODY RAINES
Private
Nearby Dams
Mosher Little Lake Dam
Bandera, TX
Significant Hazard 17 ftTwin Lakes Dam No 1
Bandera, TX
High Hazard 21 ftH and K Lake Dam
Bandera, TX
High Hazard 35 ftPurple Sage Ranch Lake Dam
Bandera, TX
High Hazard 22 ftMontague Lake Dam
Bandera, TX
High Hazard 41 ftYoungblood Lake Dam
Bandera, TX
Low Hazard 27 ftRock Cliff Dam
Bandera, TX
High Hazard 51 ftOkeefe Dam
Kerr, TX
High Hazard 31 ftFrequently Asked Questions
What is the hazard classification of Mosher Big Lake Dam?
Mosher Big Lake Dam is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Mosher Big Lake Dam?
Mosher Big Lake Dam is owned by MELODY RAINES (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Mosher Big Lake Dam built?
Mosher Big Lake Dam was completed in 1942, making it 84 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 Mosher Big Lake Dam?
Mosher Big 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 Mosher Big Lake Dam?
Mosher Big Lake Dam has a dam height of 26 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.
When was Mosher Big Lake Dam last inspected?
Mosher Big Lake Dam was last inspected on March 24, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.