Edward Johnson Lake 1 Dam
Key Takeaway
Edward Johnson Lake 1 Dam is classified as low hazard in Texas. It was completed in 1930 and is 96 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 20 ft (taller than 33.5% in TX) |
| Dam Length | 970 ft |
| Dam Type | Earth |
| Max Storage | 124 acre-ft |
| Normal Storage | 83 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 1,550 cfs |
| Year Completed | 1930 (96 years old) |
| NID ID | TX07119 |
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
EDWARD JOHNSON
Private
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Low Hazard 14 ftFrequently Asked Questions
What is the hazard classification of Edward Johnson Lake 1 Dam?
Edward Johnson Lake 1 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 Edward Johnson Lake 1 Dam?
Edward Johnson Lake 1 Dam is owned by EDWARD JOHNSON (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Edward Johnson Lake 1 Dam built?
Edward Johnson Lake 1 Dam was completed in 1930, making it 96 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 Edward Johnson Lake 1 Dam?
Edward Johnson Lake 1 Dam serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Edward Johnson Lake 1 Dam?
Edward Johnson Lake 1 Dam has a dam height of 20 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.