Johnson Tank Dam
Key Takeaway
Johnson Tank Dam is classified as low hazard in Texas. It was completed in 1944 and is 82 years old. Its primary use is water supply.
Physical Details
| Dam Height | 26 ft (taller than 55.2% in TX) |
| Dam Length | 1,210 ft |
| Dam Type | Earth |
| Max Storage | 560 acre-ft |
| Normal Storage | 200 acre-ft |
| Surface Area | 0 acres |
| Drainage Area | 0 sq mi |
| Year Completed | 1944 (82 years old) |
| NID ID | TX02279 |
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
BORDEN COUNTY
Local Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Johnson Tank Dam?
Johnson Tank 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 Johnson Tank Dam?
Johnson Tank Dam is owned by BORDEN COUNTY (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Johnson Tank Dam built?
Johnson Tank Dam was completed in 1944, making it 82 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 Johnson Tank Dam?
Johnson Tank Dam serves the following purposes: Water Supply, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Johnson Tank Dam?
Johnson Tank 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 Johnson Tank Dam last inspected?
Johnson Tank Dam was last inspected on November 12, 1979. Inspection dates indicate when a formal review occurred, not the results of that inspection.