Cottonwood

GARDINER CREEK· Grand, Colorado· Built 1961· Earth· 31 ft tall
Low Hazard Irrigation Private

Key Takeaway

Cottonwood is classified as low hazard in Colorado. It was completed in 1961 and is 65 years old. Its primary use is irrigation.

Physical Details

Dam Height 31 ft (taller than 68.6% in CO)
Dam Length330 ft
Dam TypeEarth
Max Storage106 acre-ft
Normal Storage71 acre-ft
Surface Area7 acres
Drainage Area2 sq mi
Max Discharge543 cfs
Year Completed1961 (65 years old)
NID IDCO00707

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: June 19, 2019
State Regulated: Yes
Regulatory Agency: DWR

Ownership

NANCY BARBER (DALE LIND (GRANBY, CO))

Private

Nearby Dams

Windy Gap

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Significant Hazard 25 ft

Bunte

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Low Hazard 24 ft

Sylvan

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High Hazard 40 ft

F W Linke No. 2 Reservoir

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Low Hazard 13 ft

F W Linke No. 3 Reservoir

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Low Hazard 12 ft

Linke

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Low Hazard 13 ft

Williams Fork Main

Grand, CO

High Hazard 209 ft

Scholl

Grand, CO

Significant Hazard 51 ft

Frequently Asked Questions

What is the hazard classification of Cottonwood?

Cottonwood 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 Cottonwood?

Cottonwood is owned by NANCY BARBER (DALE LIND (GRANBY, CO)) (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Cottonwood built?

Cottonwood was completed in 1961, making it 65 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 Cottonwood?

Cottonwood 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 Cottonwood?

Cottonwood has a dam height of 31 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 Cottonwood last inspected?

Cottonwood was last inspected on June 19, 2019. 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.