Petri Dam; Robert

Third Creek-TR· Slope, North Dakota· Built 1964· Earth· 13 ft tall

Key Takeaway

Petri Dam; Robert is classified as low hazard in North Dakota. It was completed in 1964 and is 62 years old. Its primary use is fire protection.

Physical Details

Dam Height 13 ft (taller than 38.2% in ND)
Dam Length161 ft
Dam TypeEarth
Max Storage50 acre-ft
Normal Storage5 acre-ft
Surface Area2 acres
Drainage Area1 sq mi
Year Completed1964 (62 years old)
NID IDND00152

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: No

Ownership

US Forest Service

Federal Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Petri Dam; Robert?

Petri Dam; Robert 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 Petri Dam; Robert?

Petri Dam; Robert is owned by US Forest Service (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Petri Dam; Robert built?

Petri Dam; Robert was completed in 1964, making it 62 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 Petri Dam; Robert?

Petri Dam; Robert serves the following purposes: Fire Protection, Stock, Or Small Fish Pond, Fish And Wildlife Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Petri Dam; Robert?

Petri Dam; Robert has a dam height of 13 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.