Ancho Dam A-6c

VERMEJO RIVER - TR· Colfax, New Mexico· Built 1996· Earth· 27 ft tall
Low Hazard Flood Risk Reduction Private

Key Takeaway

Ancho Dam A-6c is classified as low hazard in New Mexico. It was completed in 1996 and is 30 years old. Its primary use is flood risk reduction.

Physical Details

Dam Height 27 ft (taller than 35.9% in NM)
Dam Length323 ft
Dam TypeEarth
Max Storage47 acre-ft
Normal Storage0 acre-ft
Drainage Area1 sq mi
Max Discharge2,070 cfs
Year Completed1996 (30 years old)
NID IDNM00618

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: October 4, 2012
State Regulated: Yes
Regulatory Agency: OFFICE OF THE STATE ENGINEER

Ownership

CHEVRON MINING INC.

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Ancho Dam A-6c?

Ancho Dam A-6c 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 Ancho Dam A-6c?

Ancho Dam A-6c is owned by CHEVRON MINING INC. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Ancho Dam A-6c built?

Ancho Dam A-6c was completed in 1996, making it 30 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 Ancho Dam A-6c?

Ancho Dam A-6c 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 Ancho Dam A-6c?

Ancho Dam A-6c has a dam height of 27 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 Ancho Dam A-6c last inspected?

Ancho Dam A-6c was last inspected on October 4, 2012. 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.