Diemer Reservoir

TRIBUTARY N FORK FRYING PAN· Pitkin, Colorado· Built 1929· Earth· 13 ft tall
Low Hazard Fish And Wildlife Pond Federal Government

Key Takeaway

Diemer Reservoir is classified as low hazard in Colorado. It was completed in 1929 and is 97 years old. Its primary use is fish and wildlife pond.

Physical Details

Dam Height 13 ft (taller than 14.5% in CO)
Dam Length150 ft
Dam TypeEarth
Max Storage100 acre-ft
Normal Storage60 acre-ft
Surface Area0 acres
Drainage Area1 sq mi
Max Discharge0 cfs
Year Completed1929 (97 years old)
NID IDCO82420

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 17, 2017
State Regulated: No

Ownership

USDA FS

Federal Government

Nearby Dams

Himmelland

Pitkin, CO

Low Hazard 20 ft

Chapman Reservoir

Pitkin, CO

High Hazard 38 ft

Nast Reservoir

Pitkin, CO

Low Hazard 10 ft

Alicia Lake

Eagle, CO

Low Hazard 13 ft

Woods Lake

Eagle, CO

Low Hazard 16 ft

Crooked Creek

Eagle, CO

High Hazard 25 ft

Ivanhoe

Pitkin, CO

Significant Hazard 16 ft

Homestake Project

Eagle, CO

High Hazard 231 ft

Frequently Asked Questions

What is the hazard classification of Diemer Reservoir?

Diemer Reservoir 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 Diemer Reservoir?

Diemer Reservoir is owned by USDA FS (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Diemer Reservoir built?

Diemer Reservoir was completed in 1929, making it 97 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 Diemer Reservoir?

Diemer Reservoir serves the following purposes: Fish And Wildlife Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Diemer Reservoir?

Diemer Reservoir has a dam height of 13 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 Diemer Reservoir last inspected?

Diemer Reservoir was last inspected on July 17, 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.