Windsor

WESTERLY CREEK-OS· Denver, Colorado· Built 1892· Earth· 20 ft tall
High Hazard Irrigation Private

Key Takeaway

Windsor is classified as high hazard in Colorado. It was completed in 1892 and is 134 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 20 ft (taller than 36.1% in CO)
Dam Length4,752 ft
Dam TypeEarth
Max Storage735 acre-ft
Normal Storage600 acre-ft
Surface Area53 acres
Drainage Area0 sq mi
Max Discharge1,356 cfs
Year Completed1892 (134 years old)
NID IDCO01147

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: March 3, 2022
State Regulated: Yes
Regulatory Agency: DWR

Ownership

FAIRMOUNT CEMETERY (ZAVILLA, ANDY)

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Windsor?

Windsor 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 Windsor?

Windsor is owned by FAIRMOUNT CEMETERY (ZAVILLA, ANDY) (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Windsor built?

Windsor was completed in 1892, making it 134 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 Windsor?

Windsor 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 Windsor?

Windsor has a dam height of 20 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 Windsor last inspected?

Windsor was last inspected on March 3, 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.