G G Lower
Key Takeaway
G G Lower 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 | 14 ft (taller than 17% in CO) |
| Dam Length | 333 ft |
| Dam Type | Earth |
| Max Storage | 40 acre-ft |
| Normal Storage | 22 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 250 cfs |
| Year Completed | 1948 (78 years old) |
| Year Modified | 2009 |
| NID ID | CO02734 |
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
CASTLE PEAK RANCH (SEWELL, BRIAN)
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of G G Lower?
G G Lower 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 G G Lower?
G G Lower is owned by CASTLE PEAK RANCH (SEWELL, BRIAN) (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was G G Lower built?
G G Lower 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 G G Lower?
G G Lower 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 G G Lower?
G G Lower has a dam height of 14 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 G G Lower last inspected?
G G Lower was last inspected on September 17, 2009. Inspection dates indicate when a formal review occurred, not the results of that inspection.