Loup Lake

SLOUGH· Weld, Colorado· Built 1931· Earth· 24 ft tall
Significant Hazard Irrigation Private

Key Takeaway

Loup Lake is classified as significant hazard in Colorado. It was completed in 1931 and is 95 years old. Its primary use is irrigation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 24 ft (taller than 49.9% in CO)
Dam Length1,575 ft
Dam TypeEarth
Max Storage877 acre-ft
Normal Storage459 acre-ft
Surface Area93 acres
Drainage Area33 sq mi
Max Discharge7,000 cfs
Year Completed1931 (95 years old)
NID IDCO01175

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: June 21, 2022
State Regulated: Yes
Regulatory Agency: DWR

Ownership

LOUP RESERVOIR CO.

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Loup Lake?

Loup 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 Loup Lake?

Loup Lake is owned by LOUP RESERVOIR CO. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Loup Lake built?

Loup Lake was completed in 1931, making it 95 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 Loup Lake?

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

How tall is Loup Lake?

Loup Lake has a dam height of 24 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 Loup Lake last inspected?

Loup Lake was last inspected on June 21, 2022. 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.