E.T. Mahoney S Park Dam

TR-PAWNEE CREEK· Cass, Nebraska· Built 1988· Earth· 29 ft tall
Low Hazard Recreation State Government

Key Takeaway

E.T. Mahoney S Park Dam is classified as low hazard in Nebraska. It was completed in 1988 and is 38 years old. Its primary use is recreation.

Physical Details

Dam Height 29 ft (taller than 63.8% in NE)
Dam Length285 ft
Dam TypeEarth
Max Storage46 acre-ft
Normal Storage17 acre-ft
Surface Area4 acres
Drainage Area0 sq mi
Max Discharge48 cfs
Year Completed1988 (38 years old)
NID IDNE02279

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: April 9, 2019
State Regulated: Yes
Regulatory Agency: NE DNR

Ownership

Nebraska Game & Parks Commission

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of E.T. Mahoney S Park Dam?

E.T. Mahoney S Park 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 E.T. Mahoney S Park Dam?

E.T. Mahoney S Park Dam is owned by Nebraska Game & Parks Commission (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was E.T. Mahoney S Park Dam built?

E.T. Mahoney S Park Dam was completed in 1988, making it 38 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 E.T. Mahoney S Park Dam?

E.T. Mahoney S Park 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 E.T. Mahoney S Park Dam?

E.T. Mahoney S Park Dam has a dam height of 29 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 E.T. Mahoney S Park Dam last inspected?

E.T. Mahoney S Park Dam was last inspected on April 9, 2019. 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.