Hanson #2

LEROUX CREEK-TR· Delta, Colorado· Built 1925· Earth· 25 ft tall
Low Hazard Irrigation Water Supply Private

Key Takeaway

Hanson #2 is classified as low hazard in Colorado. It was completed in 1925 and is 101 years old. Its primary use is irrigation.

Physical Details

Dam Height 25 ft (taller than 53.1% in CO)
Dam Length740 ft
Dam TypeEarth
Max Storage194 acre-ft
Normal Storage131 acre-ft
Surface Area14 acres
Drainage Area1 sq mi
Max Discharge301 cfs
Year Completed1925 (101 years old)
NID IDCO00726

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: September 29, 2020
State Regulated: Yes
Regulatory Agency: DWR

Ownership

LEROUX CREEK WATER USERS ASSOCIATION

Private

Nearby Dams

Bailey

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Ella

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Low Hazard 20 ft

Owens

Delta, CO

Low Hazard 24 ft

Columbine

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Low Hazard 26 ft

Doughty

Delta, CO

Low Hazard 27 ft

Skim Milk

Delta, CO

Low Hazard 16 ft

Elk Wallows

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Low Hazard 22 ft

Brockman #2

Delta, CO

Low Hazard 16 ft

Frequently Asked Questions

What is the hazard classification of Hanson #2?

Hanson #2 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 Hanson #2?

Hanson #2 is owned by LEROUX CREEK WATER USERS ASSOCIATION (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Hanson #2 built?

Hanson #2 was completed in 1925, making it 101 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 Hanson #2?

Hanson #2 serves the following purposes: Irrigation, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Hanson #2?

Hanson #2 has a dam height of 25 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 Hanson #2 last inspected?

Hanson #2 was last inspected on September 29, 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.