Griggs
Key Takeaway
Griggs is classified as low hazard in Colorado. It was completed in 1948 and is 78 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 20 ft (taller than 36.1% in CO) |
| Dam Length | 240 ft |
| Dam Type | Earth |
| Max Storage | 131 acre-ft |
| Normal Storage | 20 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 10 sq mi |
| Max Discharge | 47 cfs |
| Year Completed | 1948 (78 years old) |
| NID ID | CO00876 |
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
J. E. YUST
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Griggs?
Griggs 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 Griggs?
Griggs is owned by J. E. YUST (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Griggs built?
Griggs was completed in 1948, making it 78 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 Griggs?
Griggs serves the following purposes: Irrigation, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Griggs?
Griggs 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 Griggs last inspected?
Griggs was last inspected on August 14, 2006. Inspection dates indicate when a formal review occurred, not the results of that inspection.