Ehmann, Frank Det. #2

MIDDLE BIJOU CREEK-TR· Elbert, Colorado· Built 1969· Earth· 23 ft tall

Key Takeaway

Ehmann, Frank Det. #2 is classified as low hazard in Colorado. It was completed in 1969 and is 57 years old. Its primary use is flood risk reduction.

Physical Details

Dam Height 23 ft (taller than 47.2% in CO)
Dam Length901 ft
Dam TypeEarth
Max Storage186 acre-ft
Normal Storage113 acre-ft
Surface Area16 acres
Drainage Area2 sq mi
Max Discharge2,538 cfs
Year Completed1969 (57 years old)
NID IDCO00008

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 18, 1991
State Regulated: Yes
Regulatory Agency: DWR

Ownership

FRANK O. EHMANN

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Ehmann, Frank Det. #2?

Ehmann, Frank Det. #2 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 Ehmann, Frank Det. #2?

Ehmann, Frank Det. #2 is owned by FRANK O. EHMANN (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Ehmann, Frank Det. #2 built?

Ehmann, Frank Det. #2 was completed in 1969, making it 57 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 Ehmann, Frank Det. #2?

Ehmann, Frank Det. #2 serves the following purposes: Flood Risk Reduction, Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Ehmann, Frank Det. #2?

Ehmann, Frank Det. #2 has a dam height of 23 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 Ehmann, Frank Det. #2 last inspected?

Ehmann, Frank Det. #2 was last inspected on July 18, 1991. 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.