North Spanish Springs Flood Detention Facility Dam

NORTH TRUCKEE DRAIN-TR· Washoe, Nevada· Built 2007· Earth· 20 ft tall
High Hazard Flood Risk Reduction Debris Control Local Government

Key Takeaway

North Spanish Springs Flood Detention Facility Dam is classified as high hazard in Nevada. It was completed in 2007 and is 19 years old. 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 20 ft (taller than 40.8% in NV)
Dam Length300 ft
Dam TypeEarth
Max Storage412 acre-ft
Normal Storage0 acre-ft
Surface Area47 acres
Drainage Area16 sq mi
Max Discharge6,238 cfs
Year Completed2007 (19 years old)
NID IDNV10654

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 1, 2023
State Regulated: Yes
Regulatory Agency: NEVADA DWR

Ownership

WASHOE COUNTY

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of North Spanish Springs Flood Detention Facility Dam?

North Spanish Springs Flood Detention Facility 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 North Spanish Springs Flood Detention Facility Dam?

North Spanish Springs Flood Detention Facility Dam is owned by WASHOE COUNTY (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was North Spanish Springs Flood Detention Facility Dam built?

North Spanish Springs Flood Detention Facility Dam was completed in 2007, making it 19 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 North Spanish Springs Flood Detention Facility Dam?

North Spanish Springs Flood Detention Facility Dam serves the following purposes: Flood Risk Reduction, Debris Control. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is North Spanish Springs Flood Detention Facility Dam?

North Spanish Springs Flood Detention Facility Dam has a dam height of 20 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 North Spanish Springs Flood Detention Facility Dam last inspected?

North Spanish Springs Flood Detention Facility Dam was last inspected on June 1, 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.