Fenton Lake Dam

RIO CEBOLLA· Sandoval, New Mexico· Built 1946· Earth· 41 ft tall
High Hazard Recreation Fish And Wildlife Pond State Government

Key Takeaway

Fenton Lake Dam is classified as high hazard in New Mexico. It was completed in 1946 and is 80 years old. Its primary use is recreation. 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 41 ft (taller than 64.4% in NM)
Dam Length362 ft
Dam TypeEarth
Max Storage721 acre-ft
Normal Storage256 acre-ft
Surface Area32 acres
Drainage Area47 sq mi
Max Discharge23,000 cfs
Year Completed1946 (80 years old)
Year Modified1997
NID IDNM00177

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: June 3, 2020
State Regulated: Yes
Regulatory Agency: OFFICE OF THE STATE ENGINEER

Ownership

NEW MEXICO DEPARTMENT OF GAME AND FISH

State Government

Frequently Asked Questions

What is the hazard classification of Fenton Lake Dam?

Fenton Lake Dam 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 Fenton Lake Dam?

Fenton Lake Dam is owned by NEW MEXICO DEPARTMENT OF GAME AND FISH (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Fenton Lake Dam built?

Fenton Lake Dam was completed in 1946, making it 80 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 Fenton Lake Dam?

Fenton Lake Dam serves the following purposes: Recreation, 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 Fenton Lake Dam?

Fenton Lake Dam has a dam height of 41 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 Fenton Lake Dam last inspected?

Fenton Lake Dam was last inspected on June 3, 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.