Wyman

LITTLE BEAVER CR· Rio Blanco, Colorado· Built 1903· Earth· 27 ft tall
Low Hazard Irrigation Private

Key Takeaway

Wyman is classified as low hazard in Colorado. It was completed in 1903 and is 123 years old. Its primary use is irrigation.

Physical Details

Dam Height 27 ft (taller than 59.3% in CO)
Dam Length495 ft
Dam TypeEarth
Max Storage145 acre-ft
Normal Storage92 acre-ft
Surface Area10 acres
Drainage Area1 sq mi
Max Discharge15 cfs
Year Completed1903 (123 years old)
NID IDCO02202

Safety Information

Low Hazard

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?

Emergency Action Plan: No
Last Inspection: July 21, 2017
State Regulated: Yes
Regulatory Agency: DWR

Ownership

YELLOW JACKET RANCH, LTD (DAVIDSON, CHARLES)

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Wyman?

Wyman 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 Wyman?

Wyman is owned by YELLOW JACKET RANCH, LTD (DAVIDSON, CHARLES) (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Wyman built?

Wyman was completed in 1903, making it 123 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 Wyman?

Wyman 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 Wyman?

Wyman has a dam height of 27 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 Wyman last inspected?

Wyman was last inspected on July 21, 2017. Inspection dates indicate when a formal review occurred, not the results of that inspection.

Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.