Naji Lake Dam

MILL CREEK· Ashtabula, Ohio· Built 1963· Earth· 19 ft tall
High Hazard Recreation Private

Key Takeaway

Naji Lake Dam is classified as high hazard in Ohio. It was completed in 1963 and is 63 years old. Its primary use is recreation. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.

Physical Details

Dam Height 19 ft (taller than 24.6% in OH)
Dam Length385 ft
Dam TypeEarth
Max Storage85 acre-ft
Normal Storage21 acre-ft
Surface Area6 acres
Drainage Area2 sq mi
Max Discharge2,020 cfs
Year Completed1963 (63 years old)
NID IDOH01191

Safety Information

High Hazard

Loss of human life is likely if the dam fails.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: No
Last Inspection: October 28, 2021
State Regulated: Yes
Regulatory Agency: Department of Natural Resources

Ownership

Mervin Byler

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Naji Lake Dam?

Naji Lake Dam is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Naji Lake Dam?

Naji Lake Dam is owned by Mervin Byler (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Naji Lake Dam built?

Naji Lake Dam was completed in 1963, making it 63 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 Naji Lake Dam?

Naji Lake 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 Naji Lake Dam?

Naji Lake Dam has a dam height of 19 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 Naji Lake Dam last inspected?

Naji Lake Dam was last inspected on October 28, 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.