John Paul Hinz

GYP CR· Grady, Oklahoma· Built 1983· Earth· 31 ft tall

Key Takeaway

John Paul Hinz is classified as low hazard in Oklahoma. It was completed in 1983 and is 43 years old. Its primary use is fire protection.

Physical Details

Dam Height 31 ft (taller than 63% in OK)
Dam Length382 ft
Dam TypeEarth
Max Storage66 acre-ft
Normal Storage5 acre-ft
Drainage Area1 sq mi
Max Discharge983 cfs
Year Completed1983 (43 years old)
NID IDOK22016

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 PAUL HINZ

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of John Paul Hinz?

John Paul Hinz 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 John Paul Hinz?

John Paul Hinz is owned by JOHN PAUL HINZ (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was John Paul Hinz built?

John Paul Hinz was completed in 1983, making it 43 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 John Paul Hinz?

John Paul Hinz 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 John Paul Hinz?

John Paul Hinz has a dam height of 31 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.