John Graves Dam No 4
Key Takeaway
John Graves Dam No 4 is classified as low hazard in Texas. It was completed in 1974 and is 52 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 20 ft (taller than 33.5% in TX) |
| Dam Length | 130 ft |
| Dam Type | Earth |
| Max Storage | 75 acre-ft |
| Normal Storage | 37 acre-ft |
| Surface Area | 0 acres |
| Drainage Area | 0 sq mi |
| Year Completed | 1974 (52 years old) |
| NID ID | TX04275 |
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
JOHN R GRAVES ESTATE
Private
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Low Hazard 33 ftFrequently Asked Questions
What is the hazard classification of John Graves Dam No 4?
John Graves Dam No 4 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 John Graves Dam No 4?
John Graves Dam No 4 is owned by JOHN R GRAVES ESTATE (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was John Graves Dam No 4 built?
John Graves Dam No 4 was completed in 1974, making it 52 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 John Graves Dam No 4?
John Graves Dam No 4 serves the following purposes: Irrigation, Fire Protection, Stock, Or Small Fish Pond, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is John Graves Dam No 4?
John Graves Dam No 4 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.
When was John Graves Dam No 4 last inspected?
John Graves Dam No 4 was last inspected on April 1, 1974. Inspection dates indicate when a formal review occurred, not the results of that inspection.