Platoro Dike

CONEJOS RIVER· Conejos, Colorado· Built 1951· Rockfill· 85 ft tall
High Hazard Flood Risk Reduction Irrigation Federal Government

Key Takeaway

Platoro Dike is classified as high hazard in Colorado. It was completed in 1951 and is 75 years old. Its primary use is flood risk reduction. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.

Physical Details

Dam Height 85 ft (taller than 94.4% in CO)
Dam Length590 ft
Dam TypeRockfill
Max Storage73.3K acre-ft
Normal Storage53.5K acre-ft
Surface Area1,000 acres
Drainage Area40 sq mi
Year Completed1951 (75 years old)
NID IDCO01671

Safety Information

High Hazard

Loss of human life is likely if the dam fails.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: Yes
Last Inspection: September 15, 2020
State Regulated: Yes
Regulatory Agency: DWR

Ownership

RECLAMATION

Federal Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Platoro Dike?

Platoro Dike is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Platoro Dike?

Platoro Dike is owned by RECLAMATION (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Platoro Dike built?

Platoro Dike 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 Platoro Dike?

Platoro Dike serves the following purposes: Flood Risk Reduction, Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Platoro Dike?

Platoro Dike has a dam height of 85 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 Platoro Dike last inspected?

Platoro Dike was last inspected on September 15, 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.