Lake Arrowhead Dam

TR-LONG CREEK· Washington, Nebraska· Built 1972· Earth· 53 ft tall
Low Hazard Recreation Private

Key Takeaway

Lake Arrowhead Dam is classified as low hazard in Nebraska. It was completed in 1972 and is 54 years old. Its primary use is recreation.

Physical Details

Dam Height 53 ft (taller than 97.3% in NE)
Dam Length995 ft
Dam TypeEarth
Max Storage370 acre-ft
Normal Storage274 acre-ft
Surface Area40 acres
Drainage Area1 sq mi
Max Discharge530 cfs
Year Completed1972 (54 years old)
NID IDNE00462

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: June 6, 2022
State Regulated: Yes
Regulatory Agency: NE DNR

Ownership

Lake Arrowhead Incorporated

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Lake Arrowhead Dam?

Lake Arrowhead 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 Lake Arrowhead Dam?

Lake Arrowhead Dam is owned by Lake Arrowhead Incorporated (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Lake Arrowhead Dam built?

Lake Arrowhead Dam was completed in 1972, making it 54 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 Lake Arrowhead Dam?

Lake Arrowhead Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Lake Arrowhead Dam?

Lake Arrowhead Dam has a dam height of 53 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 Lake Arrowhead Dam last inspected?

Lake Arrowhead Dam was last inspected on June 6, 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.