Grummert Dam

TR-BLAKELY CREEK· Nuckolls, Nebraska· Built 1966· Earth· 16 ft tall

Key Takeaway

Grummert Dam is classified as low hazard in Nebraska. It was completed in 1966 and is 60 years old. Its primary use is fire protection.

Physical Details

Dam Height 16 ft (taller than 13.6% in NE)
Dam Length710 ft
Dam TypeEarth
Max Storage69 acre-ft
Normal Storage24 acre-ft
Surface Area4 acres
Drainage Area0 sq mi
Max Discharge185 cfs
Year Completed1966 (60 years old)
NID IDNE00339

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: March 31, 2021
State Regulated: Yes
Regulatory Agency: NE DNR

Ownership

Mary Lou Grummert

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Grummert Dam?

Grummert 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 Grummert Dam?

Grummert Dam is owned by Mary Lou Grummert (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Grummert Dam built?

Grummert Dam was completed in 1966, making it 60 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 Grummert Dam?

Grummert Dam serves the following purposes: Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Grummert Dam?

Grummert Dam has a dam height of 16 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 Grummert Dam last inspected?

Grummert Dam was last inspected on March 31, 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.