Ulman No. 1

CROW CREEK· Laramie, Wyoming· Built 1970· Earth· 22 ft tall
Low Hazard Irrigation Fire Protection Stock Or Small Fish Pond Private

Key Takeaway

Ulman No. 1 is classified as low hazard in Wyoming. It was completed in 1970 and is 56 years old. Its primary use is irrigation.

Physical Details

Dam Height 22 ft (taller than 28.8% in WY)
Dam Length1,200 ft
Dam TypeEarth
Max Storage614 acre-ft
Normal Storage289 acre-ft
Surface Area19 acres
Drainage Area0 sq mi
Max Discharge7,000 cfs
Year Completed1970 (56 years old)
NID IDWY00060

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 2, 2021
State Regulated: Yes
Regulatory Agency: SEO

Ownership

RED BALDY RANCH C/O ED FERGUSON

Private

Nearby Dams

Wyoming Hereford Ranch No. 2

Laramie, WY

Significant Hazard 31 ft

Wyoming Hereford Ranch No. 1

Laramie, WY

Significant Hazard 28 ft

Henderson Drain Detention

Laramie, WY

Low Hazard 10 ft

Buckaroo Freshwater Cell

Laramie, WY

Low Hazard 18 ft

Buckaroo Freshwater Cell

Laramie, WY

Low Hazard 18 ft

Frequently Asked Questions

What is the hazard classification of Ulman No. 1?

Ulman No. 1 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 Ulman No. 1?

Ulman No. 1 is owned by RED BALDY RANCH C/O ED FERGUSON (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Ulman No. 1 built?

Ulman No. 1 was completed in 1970, making it 56 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 Ulman No. 1?

Ulman No. 1 serves the following purposes: Irrigation, Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Ulman No. 1?

Ulman No. 1 has a dam height of 22 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 Ulman No. 1 last inspected?

Ulman No. 1 was last inspected on September 2, 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.