Rock Canyon E.C. #2

BIJOU CREEK-TR· Arapahoe, Colorado· Built 1973· Earth· 20 ft tall
Low Hazard Flood Risk Reduction Private

Key Takeaway

Rock Canyon E.C. #2 is classified as low hazard in Colorado. It was completed in 1973 and is 53 years old. Its primary use is flood risk reduction.

Physical Details

Dam Height 20 ft (taller than 36.1% in CO)
Dam Length460 ft
Dam TypeEarth
Max Storage50 acre-ft
Normal Storage29 acre-ft
Surface Area4 acres
Drainage Area0 sq mi
Max Discharge1,800 cfs
Year Completed1973 (53 years old)
NID IDCO00114

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: November 17, 2020
State Regulated: Yes
Regulatory Agency: DWR

Ownership

THOMAS H. BRADBURY

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Rock Canyon E.C. #2?

Rock Canyon E.C. #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 Rock Canyon E.C. #2?

Rock Canyon E.C. #2 is owned by THOMAS H. BRADBURY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Rock Canyon E.C. #2 built?

Rock Canyon E.C. #2 was completed in 1973, making it 53 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 Rock Canyon E.C. #2?

Rock Canyon E.C. #2 serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Rock Canyon E.C. #2?

Rock Canyon E.C. #2 has a dam height of 20 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 Rock Canyon E.C. #2 last inspected?

Rock Canyon E.C. #2 was last inspected on November 17, 2020. 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.