Goose Lake

NORTH BOULDER CREEK-TR· Boulder, Colorado· Built 1908· Timber Crib· 32 ft tall
Significant Hazard Water Supply Local Government

Key Takeaway

Goose Lake is classified as significant hazard in Colorado. It was completed in 1908 and is 118 years old. Its primary use is water supply. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 32 ft (taller than 70.4% in CO)
Dam Length425 ft
Dam TypeTimber Crib
Max Storage1.2K acre-ft
Normal Storage940 acre-ft
Surface Area46 acres
Drainage Area4 sq mi
Max Discharge900 cfs
Year Completed1908 (118 years old)
NID IDCO00224

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: July 16, 2021
State Regulated: Yes
Regulatory Agency: DWR

Ownership

CITY OF BOULDER (CLARK, KEVIN)

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Goose Lake?

Goose 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 Goose Lake?

Goose Lake is owned by CITY OF BOULDER (CLARK, KEVIN) (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Goose Lake built?

Goose Lake was completed in 1908, making it 118 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 Goose Lake?

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

How tall is Goose Lake?

Goose Lake has a dam height of 32 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 Goose Lake last inspected?

Goose Lake was last inspected on July 16, 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.