D'Andrea Detention Basin #3 Dam

NORTH TRUCKEE DRAIN-TR· Washoe, Nevada· Earth· 11 ft tall

High Hazard Flood Risk Reduction Private

Key Takeaway

D'Andrea Detention Basin #3 Dam is classified as high hazard in Nevada. Its primary use is flood risk reduction. 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	11 ft (taller than 15.7% in NV)
Dam Length	1,623 ft
Dam Type	Earth
Max Storage	79 acre-ft
Normal Storage	0 acre-ft

Surface Area	6 acres
Drainage Area	2 sq mi
Max Discharge	384 cfs
NID ID	NV10819

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: May 17, 2023

State Regulated: Yes

Regulatory Agency: NEVADA DWR

Ownership

D'ANDREA NEVADA LLC

Private

Nearby Dams

D'Andrea Ranch Hole #6 Pond Dam

Washoe, NV

High Hazard 15 ft

D'Andrea Detention Basin #1 Dam

Washoe, NV

High Hazard 21 ft

Wetlands At Kiley Ranch Dam

Washoe, NV

Significant Hazard 10 ft

Spanish Springs Stormwater Detention Facility Dam

Washoe, NV

High Hazard 14 ft

Sun Valley Detention Dam

Washoe, NV

High Hazard 35 ft

Sidehill Detention Basin Dam

Washoe, NV

Significant Hazard 14 ft

Double Diamond Dam

Washoe, NV

Significant Hazard 12 ft

Huffaker Effluent Storage Reservoir Dam

Washoe, NV

High Hazard 138 ft

Frequently Asked Questions

What is the hazard classification of D'Andrea Detention Basin #3 Dam?

D'Andrea Detention Basin #3 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 D'Andrea Detention Basin #3 Dam?

D'Andrea Detention Basin #3 Dam is owned by D'ANDREA NEVADA LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of D'Andrea Detention Basin #3 Dam?

D'Andrea Detention Basin #3 Dam 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 D'Andrea Detention Basin #3 Dam?

D'Andrea Detention Basin #3 Dam has a dam height of 11 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 D'Andrea Detention Basin #3 Dam last inspected?

D'Andrea Detention Basin #3 Dam was last inspected on May 17, 2023. 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.