Sandy Ridge Lagoon 1 Dam

TR-NIOBRARA RIVER· Holt, Nebraska· Built 2013· Earth· 40 ft tall
Significant Hazard Other Private

Key Takeaway

Sandy Ridge Lagoon 1 Dam is classified as significant hazard in Nebraska. It was completed in 2013 and is 13 years old. Its primary use is other. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 40 ft (taller than 90.3% in NE)
Dam Length2,240 ft
Dam TypeEarth
Max Storage91 acre-ft
Normal Storage42 acre-ft
Surface Area4 acres
Drainage Area0 sq mi
Max Discharge0 cfs
Year Completed2013 (13 years old)
NID IDNE09681

Safety Information

Significant Hazard

No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: No
Last Inspection: March 21, 2023
State Regulated: Yes
Regulatory Agency: NE DNR

Ownership

Riverview LLP

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Sandy Ridge Lagoon 1 Dam?

Sandy Ridge Lagoon 1 Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Sandy Ridge Lagoon 1 Dam?

Sandy Ridge Lagoon 1 Dam is owned by Riverview LLP (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Sandy Ridge Lagoon 1 Dam built?

Sandy Ridge Lagoon 1 Dam was completed in 2013, making it 13 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 Sandy Ridge Lagoon 1 Dam?

Sandy Ridge Lagoon 1 Dam serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Sandy Ridge Lagoon 1 Dam?

Sandy Ridge Lagoon 1 Dam has a dam height of 40 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 Sandy Ridge Lagoon 1 Dam last inspected?

Sandy Ridge Lagoon 1 Dam was last inspected on March 21, 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.