Pythias Lake Dam

TRIBUTARY TO TWIN CREEK· Butler, Ohio· Built 1969· Earth· 30 ft tall
Low Hazard Recreation Private

Key Takeaway

Pythias Lake Dam is classified as low hazard in Ohio. It was completed in 1969 and is 57 years old. Its primary use is recreation.

Physical Details

Dam Height 30 ft (taller than 61.5% in OH)
Dam Length340 ft
Dam TypeEarth
Max Storage26 acre-ft
Normal Storage13 acre-ft
Surface Area2 acres
Drainage Area0 sq mi
Max Discharge240 cfs
Year Completed1969 (57 years old)
NID IDOH01285

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: Yes
Last Inspection: May 6, 2021
State Regulated: Yes
Regulatory Agency: Department of Natural Resources

Ownership

Knights of Pythias

Private

Nearby Dams

Charylie'S Lake Dam

Butler, OH

High Hazard 29 ft

Middletown Sportsman Club Lake Dam

Butler, OH

Significant Hazard 41 ft

Germantown Dam

Montgomery, OH

High Hazard 107 ft

Hutchings Station Dam

Montgomery, OH

Low Hazard 9 ft

Elk Creek Meadow Ridge Pond #2 Dam

Butler, OH

Significant Hazard 23 ft

Elk Creek Meadow Ridge Pond #1 Dam

Butler, OH

Significant Hazard 26 ft

O'Bob Farm Lake Dam

Butler, OH

Low Hazard 29 ft

Bear Pond Dam

Butler, OH

Low Hazard 26 ft

Frequently Asked Questions

What is the hazard classification of Pythias Lake Dam?

Pythias Lake 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 Pythias Lake Dam?

Pythias Lake Dam is owned by Knights of Pythias (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Pythias Lake Dam built?

Pythias Lake Dam was completed in 1969, making it 57 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 Pythias Lake Dam?

Pythias 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 Pythias Lake Dam?

Pythias Lake Dam has a dam height of 30 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 Pythias Lake Dam last inspected?

Pythias Lake Dam was last inspected on May 6, 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.