Sunnyside Dam

WHITE RIVER· Nye, Nevada· Built 1915· Earth· 10 ft tall
Low Hazard Fish And Wildlife Pond Irrigation Recreation State Government

Key Takeaway

Sunnyside Dam is classified as low hazard in Nevada. It was completed in 1915 and is 111 years old. Its primary use is fish and wildlife pond.

Physical Details

Dam Height 10 ft (taller than 9.7% in NV)
Dam Length2,400 ft
Dam TypeEarth
Max Storage4.0K acre-ft
Normal Storage3.3K acre-ft
Surface Area882 acres
Drainage Area840 sq mi
Max Discharge6,000 cfs
Year Completed1915 (111 years old)
NID IDNV00122

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: April 27, 2021
State Regulated: Yes
Regulatory Agency: NEVADA DWR

Ownership

NEVADA DEPARTMENT OF WILDLIFE

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Sunnyside Dam?

Sunnyside Dam 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 Sunnyside Dam?

Sunnyside Dam is owned by NEVADA DEPARTMENT OF WILDLIFE (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Sunnyside Dam built?

Sunnyside Dam was completed in 1915, making it 111 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 Sunnyside Dam?

Sunnyside Dam serves the following purposes: Fish And Wildlife Pond, Irrigation, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Sunnyside Dam?

Sunnyside Dam has a dam height of 10 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 Sunnyside Dam last inspected?

Sunnyside Dam was last inspected on April 27, 2021. 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.