Chalk Mountain

EAST FORK EAGLE RIVER-TR· Eagle, Colorado· Built 1951· Earth· 34 ft tall
Low Hazard Water Supply Private

Key Takeaway

Chalk Mountain is classified as low hazard in Colorado. It was completed in 1951 and is 75 years old. Its primary use is water supply.

Physical Details

Dam Height 34 ft (taller than 74.3% in CO)
Dam Length960 ft
Dam TypeEarth
Max Storage275 acre-ft
Normal Storage236 acre-ft
Surface Area13 acres
Drainage Area0 sq mi
Max Discharge1,462 cfs
Year Completed1951 (75 years old)
NID IDCO00883

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

CLIMAX MOLYBDENUM CO (RICHARDS, TIM)

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Chalk Mountain?

Chalk Mountain 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 Chalk Mountain?

Chalk Mountain is owned by CLIMAX MOLYBDENUM CO (RICHARDS, TIM) (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Chalk Mountain built?

Chalk Mountain was completed in 1951, making it 75 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 Chalk Mountain?

Chalk Mountain serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Chalk Mountain?

Chalk Mountain has a dam height of 34 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 Chalk Mountain last inspected?

Chalk Mountain 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.