Watson Lake

CACHE LA POUDRE RIVER· Larimer, Colorado· Built 1964· Earth· 21 ft tall
Low Hazard Fish And Wildlife Pond Recreation State Government

Key Takeaway

Watson Lake is classified as low hazard in Colorado. It was completed in 1964 and is 62 years old. Its primary use is fish and wildlife pond.

Physical Details

Dam Height 21 ft (taller than 40.7% in CO)
Dam Length4,000 ft
Dam TypeEarth
Max Storage532 acre-ft
Normal Storage415 acre-ft
Surface Area45 acres
Drainage Area0 sq mi
Max Discharge39 cfs
Year Completed1964 (62 years old)
NID IDCO02065

Safety Information

Low Hazard

No probable loss of human life and low economic/environmental losses expected.

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

Emergency Action Plan: No
Last Inspection: November 5, 2020
State Regulated: Yes
Regulatory Agency: DWR

Ownership

COLORADO PARKS AND WILDLIFE

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Watson Lake?

Watson Lake is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Watson Lake?

Watson Lake is owned by COLORADO PARKS AND WILDLIFE (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Watson Lake built?

Watson Lake was completed in 1964, making it 62 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 Watson Lake?

Watson Lake serves the following purposes: Fish And Wildlife Pond, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Watson Lake?

Watson Lake has a dam height of 21 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 Watson Lake last inspected?

Watson Lake was last inspected on November 5, 2020. 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.