Carroll No. 1

ELKHORN CREEK· Natrona, Wyoming· Built 1946· Earth· 24 ft tall
Low Hazard Irrigation Private

Key Takeaway

Carroll No. 1 is classified as low hazard in Wyoming. It was completed in 1946 and is 80 years old. Its primary use is irrigation.

Physical Details

Dam Height 24 ft (taller than 35.6% in WY)
Dam Length626 ft
Dam TypeEarth
Max Storage112 acre-ft
Normal Storage52 acre-ft
Surface Area9 acres
Drainage Area0 sq mi
Max Discharge0 cfs
Year Completed1946 (80 years old)
NID IDWY00253

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: April 14, 2022
State Regulated: Yes
Regulatory Agency: SEO

Ownership

BLACKMORE HOMES, INC

Private

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Nicolaysen

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Eastdale Creek Detention No.2

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Eastdale Creek Detention No.1

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Casper Parks No.2

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Significant Hazard 24 ft

Frequently Asked Questions

What is the hazard classification of Carroll No. 1?

Carroll 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 Carroll No. 1?

Carroll No. 1 is owned by BLACKMORE HOMES, INC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Carroll No. 1 built?

Carroll No. 1 was completed in 1946, making it 80 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 Carroll No. 1?

Carroll No. 1 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 Carroll No. 1?

Carroll No. 1 has a dam height of 24 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 Carroll No. 1 last inspected?

Carroll No. 1 was last inspected on April 14, 2022. 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.