Sherwood
Key Takeaway
Sherwood is classified as significant hazard in Colorado. It was completed in 1906 and is 120 years old. Its primary use is irrigation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 10 ft (taller than 4.4% in CO) |
| Dam Length | 1,375 ft |
| Dam Type | Earth |
| Max Storage | 466 acre-ft |
| Normal Storage | 298 acre-ft |
| Surface Area | 40 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 913 cfs |
| Year Completed | 1906 (120 years old) |
| NID ID | CO01990 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
SHERWOOD RESERVOIR COMPANY (SUMMER, DENNIS)
Private
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High Hazard 21 ftFrequently Asked Questions
What is the hazard classification of Sherwood?
Sherwood is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Sherwood?
Sherwood is owned by SHERWOOD RESERVOIR COMPANY (SUMMER, DENNIS) (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Sherwood built?
Sherwood was completed in 1906, making it 120 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 Sherwood?
Sherwood 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 Sherwood?
Sherwood has a dam height of 10 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 Sherwood last inspected?
Sherwood was last inspected on September 14, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.