Spring Mountain Ranch Dam

BLUE DIAMOND WASH-TR· Clark, Nevada· Built 1945· Earth· 19 ft tall
High Hazard Irrigation Recreation Water Supply State Government

Key Takeaway

Spring Mountain Ranch Dam is classified as high hazard in Nevada. It was completed in 1945 and is 81 years old. Its primary use is irrigation. 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 19 ft (taller than 38.8% in NV)
Dam Length100 ft
Dam TypeEarth
Max Storage22 acre-ft
Normal Storage14 acre-ft
Surface Area3 acres
Drainage Area2 sq mi
Max Discharge650 cfs
Year Completed1945 (81 years old)
NID IDNV10159

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: February 23, 2022
State Regulated: Yes
Regulatory Agency: NEVADA DWR

Ownership

NEVADA DCNR PARKS

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Spring Mountain Ranch Dam?

Spring Mountain Ranch 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 Spring Mountain Ranch Dam?

Spring Mountain Ranch Dam is owned by NEVADA DCNR PARKS (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Spring Mountain Ranch Dam built?

Spring Mountain Ranch Dam was completed in 1945, making it 81 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 Spring Mountain Ranch Dam?

Spring Mountain Ranch Dam serves the following purposes: Irrigation, Recreation, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Spring Mountain Ranch Dam?

Spring Mountain Ranch Dam has a dam height of 19 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 Spring Mountain Ranch Dam last inspected?

Spring Mountain Ranch Dam was last inspected on February 23, 2022. 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.