Bolts Lake

EAGLE RIVER-TR· Eagle, Colorado· Built 1882· Earth· 22 ft tall
Low Hazard Fish And Wildlife Pond Private

Key Takeaway

Bolts Lake is classified as low hazard in Colorado. It was completed in 1882 and is 144 years old. Its primary use is fish and wildlife pond.

Physical Details

Dam Height 22 ft (taller than 43.8% in CO)
Dam Length126 ft
Dam TypeEarth
Max Storage218 acre-ft
Normal Storage43 acre-ft
Surface Area9 acres
Drainage Area0 sq mi
Max Discharge2,795 cfs
Year Completed1882 (144 years old)
NID IDCO01746

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: May 3, 1994
State Regulated: Yes
Regulatory Agency: DWR

Ownership

BATTLE MOUNTAIN CORP. (THOMAS E. NEVIS)

Private

Nearby Dams

Case #1 Dam

Eagle, CO

Low Hazard 15 ft

Nottingham

Eagle, CO

Significant Hazard 36 ft

#1 Tailings Pond

Eagle, CO

Significant Hazard 235 ft

Western Hillside Reservoir

Eagle, CO

High Hazard 46 ft

Benchmark Lake

Eagle, CO

High Hazard 19 ft

Black Lake #2

Eagle, CO

Significant Hazard 27 ft

June Creek

Eagle, CO

Low Hazard 47 ft

Black Lake #1

Eagle, CO

High Hazard 31 ft

Frequently Asked Questions

What is the hazard classification of Bolts Lake?

Bolts Lake 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 Bolts Lake?

Bolts Lake is owned by BATTLE MOUNTAIN CORP. (THOMAS E. NEVIS) (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Bolts Lake built?

Bolts Lake was completed in 1882, making it 144 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 Bolts Lake?

Bolts Lake 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 Bolts Lake?

Bolts Lake has a dam height of 22 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 Bolts Lake last inspected?

Bolts Lake was last inspected on May 3, 1994. 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.