Helen Smith

TR-WASHITA RIVER· Roger Mills, Oklahoma· Built 1986· Earth· 30 ft tall
Low Hazard Other Private

Key Takeaway

Helen Smith is classified as low hazard in Oklahoma. It was completed in 1986 and is 40 years old. Its primary use is other.

Physical Details

Dam Height 30 ft (taller than 54.9% in OK)
Dam Length187 ft
Dam TypeEarth
Max Storage68 acre-ft
Normal Storage14 acre-ft
Drainage Area1 sq mi
Max Discharge1,212 cfs
Year Completed1986 (40 years old)
NID IDOK03032

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
Last Inspection: November 29, 2010
State Regulated: Yes
Regulatory Agency: OWRB

Ownership

HELEN SMITH

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Helen Smith?

Helen Smith 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 Helen Smith?

Helen Smith is owned by HELEN SMITH (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Helen Smith built?

Helen Smith was completed in 1986, making it 40 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 Helen Smith?

Helen Smith serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Helen Smith?

Helen Smith 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 Helen Smith last inspected?

Helen Smith was last inspected on November 29, 2010. 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.