Ada City Lake

LAKE CREEK· Pontotoc, Oklahoma· Built 1907· Earth· 32 ft tall
Significant Hazard Recreation Local Government

Key Takeaway

Ada City Lake is classified as significant hazard in Oklahoma. It was completed in 1907 and is 119 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 32 ft (taller than 65.1% in OK)
Dam Length595 ft
Dam TypeEarth
Max Storage339 acre-ft
Normal Storage108 acre-ft
Surface Area16 acres
Max Discharge3,015 cfs
Year Completed1907 (119 years old)
NID IDOK11028

Safety Information

Significant Hazard

No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.

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

Emergency Action Plan: Yes
Last Inspection: August 9, 2019
State Regulated: Yes
Regulatory Agency: OWRB

Ownership

CITY OF ADA

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Ada City Lake?

Ada City Lake is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Ada City Lake?

Ada City Lake is owned by CITY OF ADA (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Ada City Lake built?

Ada City Lake was completed in 1907, making it 119 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 Ada City Lake?

Ada City Lake 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 Ada City Lake?

Ada City Lake has a dam height of 32 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 Ada City Lake last inspected?

Ada City Lake was last inspected on August 9, 2019. 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.