Rajadero Reservoir

UNNAMED· Conejos, Colorado· Built 1979· Gravity·
Low Hazard Flood Risk Reduction Federal Government

Key Takeaway

Rajadero Reservoir is classified as low hazard in Colorado. It was completed in 1979 and is 47 years old. Its primary use is flood risk reduction.

Physical Details

Dam Length300 ft
Dam TypeGravity
Max Storage52 acre-ft
Normal Storage50 acre-ft
Surface Area50 acres
Year Completed1979 (47 years old)
NID IDCO03019

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: March 12, 2009
State Regulated: Yes
Regulatory Agency: DWR

Ownership

DOI BLM

Federal Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Rajadero Reservoir?

Rajadero 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 Rajadero Reservoir?

Rajadero Reservoir is owned by DOI BLM (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Rajadero Reservoir built?

Rajadero Reservoir was completed in 1979, making it 47 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 Rajadero Reservoir?

Rajadero Reservoir 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.

When was Rajadero Reservoir last inspected?

Rajadero Reservoir was last inspected on March 12, 2009. 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.