Sand Mesa No. 1

SAND MESA DRAIN TR· Fremont, Wyoming· Built 1977· Earth· 12 ft tall
Low Hazard Fish And Wildlife Pond Federal Government

Key Takeaway

Sand Mesa No. 1 is classified as low hazard in Wyoming. It was completed in 1977 and is 49 years old. Its primary use is fish and wildlife pond.

Physical Details

Dam Height 12 ft (taller than 6.2% in WY)
Dam Length2,180 ft
Dam TypeEarth
Max Storage2.1K acre-ft
Normal Storage787 acre-ft
Surface Area214 acres
Drainage Area1 sq mi
Max Discharge193 cfs
Year Completed1977 (49 years old)
NID IDWY00916

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
State Regulated: Yes
Regulatory Agency: SEO

Ownership

RECLAMATION

Federal Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Sand Mesa No. 1?

Sand Mesa 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 Sand Mesa No. 1?

Sand Mesa No. 1 is owned by RECLAMATION (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Sand Mesa No. 1 built?

Sand Mesa No. 1 was completed in 1977, making it 49 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 Sand Mesa No. 1?

Sand Mesa No. 1 serves the following purposes: Fish And Wildlife Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Sand Mesa No. 1?

Sand Mesa No. 1 has a dam height of 12 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.

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.