Lisbon Dam

Sheyenne River· Ransom, North Dakota· Built 1890· Other· 19 ft tall
Low Hazard Water Supply Recreation Local Government

Key Takeaway

Lisbon Dam is classified as low hazard in North Dakota. It was completed in 1890 and is 136 years old. Its primary use is water supply.

Physical Details

Dam Height 19 ft (taller than 63% in ND)
Dam Length100 ft
Dam TypeOther
Max Storage443 acre-ft
Normal Storage204 acre-ft
Surface Area56 acres
Drainage Area8,190 sq mi
Year Completed1890 (136 years old)
NID IDND00035

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: May 22, 2018
State Regulated: Yes
Regulatory Agency: ND DWR

Ownership

City of Lisbon

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Lisbon Dam?

Lisbon 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 Lisbon Dam?

Lisbon Dam is owned by City of Lisbon (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Lisbon Dam built?

Lisbon Dam was completed in 1890, making it 136 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 Lisbon Dam?

Lisbon Dam serves the following purposes: Water Supply, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Lisbon Dam?

Lisbon 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 Lisbon Dam last inspected?

Lisbon Dam was last inspected on May 22, 2018. 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.