Worster

SHEEP CREEK· Larimer, Colorado· Built 1911· Earth· 72 ft tall
Significant Hazard Irrigation Private

Key Takeaway

Worster is classified as significant hazard in Colorado. It was completed in 1911 and is 115 years old. Its primary use is irrigation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 72 ft (taller than 93.2% in CO)
Dam Length705 ft
Dam TypeEarth
Max Storage4.0K acre-ft
Normal Storage3.8K acre-ft
Surface Area134 acres
Drainage Area10 sq mi
Max Discharge192 cfs
Year Completed1911 (115 years old)
NID IDCO01765

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: August 25, 2021
State Regulated: Yes
Regulatory Agency: DWR

Ownership

DIVIDE CANAL & RES. CO. (HOFF, SHAWN)

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Worster?

Worster 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 Worster?

Worster is owned by DIVIDE CANAL & RES. CO. (HOFF, SHAWN) (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Worster built?

Worster was completed in 1911, making it 115 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 Worster?

Worster 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 Worster?

Worster has a dam height of 72 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 Worster last inspected?

Worster was last inspected on August 25, 2021. 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.