Oknoname 30055

ROCK CREEK· Johnston, Oklahoma· Built 2002· 14 ft tall
Low Hazard Recreation Private

Key Takeaway

Oknoname 30055 is classified as low hazard in Oklahoma. It was completed in 2002 and is 24 years old. Its primary use is recreation.

Physical Details

Dam Height 14 ft (taller than 0.7% in OK)
Dam Length984 ft
Max Storage308 acre-ft
Normal Storage55 acre-ft
Surface Area16 acres
Drainage Area465 sq mi
Max Discharge968 cfs
Year Completed2002 (24 years old)
NID IDOK30055

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: Yes
Regulatory Agency: OWRB

Ownership

NIKOLAI & BETTE D KARPIS

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Oknoname 30055?

Oknoname 30055 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 Oknoname 30055?

Oknoname 30055 is owned by NIKOLAI & BETTE D KARPIS (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Oknoname 30055 built?

Oknoname 30055 was completed in 2002, making it 24 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 Oknoname 30055?

Oknoname 30055 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 Oknoname 30055?

Oknoname 30055 has a dam height of 14 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.