Chapman

WILLOW DELL· Carbon, Wyoming· Earth· 26 ft tall

Key Takeaway

Chapman is classified as low hazard in Wyoming. Its primary use is fish and wildlife pond.

Physical Details

Dam Height 26 ft (taller than 46.3% in WY)
Dam Length1,400 ft
Dam TypeEarth
Max Storage102 acre-ft
Normal Storage64 acre-ft
Surface Area9 acres
Drainage Area1 sq mi
Max Discharge416 cfs
NID IDWY02494

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: May 17, 2022
State Regulated: Yes
Regulatory Agency: SEO

Ownership

OVERLAND TRAIL LAND & CATTLE CO.

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Chapman?

Chapman 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 Chapman?

Chapman is owned by OVERLAND TRAIL LAND & CATTLE CO. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Chapman?

Chapman serves the following purposes: Fish And Wildlife Pond, Fire Protection, Stock, Or Small Fish Pond, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Chapman?

Chapman has a dam height of 26 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 Chapman last inspected?

Chapman was last inspected on May 17, 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.