Nighswonger

SAND CREEK· Harper, Oklahoma· Earth· 28 ft tall
Low Hazard Private

Key Takeaway

Nighswonger is classified as low hazard in Oklahoma.

Physical Details

Dam Height 28 ft (taller than 47.3% in OK)
Dam TypeEarth
Max Storage42 acre-ft
Normal Storage2 acre-ft
Surface Area1 acres
NID IDOK83838

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
State Regulated: No

Ownership

JOHN NIGHSWONGER

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Nighswonger?

Nighswonger 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 Nighswonger?

Nighswonger is owned by JOHN NIGHSWONGER (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

How tall is Nighswonger?

Nighswonger has a dam height of 28 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.

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.