Lon Hagler

BIG THOMPSON RIVER-OS· Larimer, Colorado· Built 1967· Earth· 60 ft tall
High Hazard Irrigation Recreation Private

Key Takeaway

Lon Hagler is classified as high hazard in Colorado. It was completed in 1967 and is 59 years old. Its primary use is irrigation. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.

Physical Details

Dam Height 60 ft (taller than 91.3% in CO)
Dam Length5,085 ft
Dam TypeEarth
Max Storage6.3K acre-ft
Normal Storage5.2K acre-ft
Surface Area201 acres
Drainage Area0 sq mi
Max Discharge920 cfs
Year Completed1967 (59 years old)
NID IDCO00165

Safety Information

High Hazard

Loss of human life is likely if the dam fails.

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

Emergency Action Plan: Yes
Last Inspection: July 11, 2022
State Regulated: Yes
Regulatory Agency: DWR

Ownership

CONSOLIDATED HOME SUPPLY DITCH & RES. CO (DAVE SCH

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Lon Hagler?

Lon Hagler is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Lon Hagler?

Lon Hagler is owned by CONSOLIDATED HOME SUPPLY DITCH & RES. CO (DAVE SCH (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Lon Hagler built?

Lon Hagler was completed in 1967, making it 59 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 Lon Hagler?

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

How tall is Lon Hagler?

Lon Hagler has a dam height of 60 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 Lon Hagler last inspected?

Lon Hagler was last inspected on July 11, 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.