Encino Detention Dam No. 40

SAN YSIDRO OFFSTR· Sandoval, New Mexico· Built 1965· Gravity·
Low Hazard Debris Control Federal Government

Key Takeaway

Encino Detention Dam No. 40 is classified as low hazard in New Mexico. It was completed in 1965 and is 61 years old. Its primary use is debris control.

Physical Details

Dam Length2,194 ft
Dam TypeGravity
Max Storage130 acre-ft
Surface Area68 acres
Year Completed1965 (61 years old)
NID IDNM00035

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 14, 2020
State Regulated: No

Ownership

DOI BLM

Federal Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Encino Detention Dam No. 40?

Encino Detention Dam No. 40 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 Encino Detention Dam No. 40?

Encino Detention Dam No. 40 is owned by DOI BLM (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Encino Detention Dam No. 40 built?

Encino Detention Dam No. 40 was completed in 1965, making it 61 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 Encino Detention Dam No. 40?

Encino Detention Dam No. 40 serves the following purposes: Debris Control. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

When was Encino Detention Dam No. 40 last inspected?

Encino Detention Dam No. 40 was last inspected on October 14, 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.