Boelte No. 1

BOELTE DRAW· Sublette, Wyoming· Built 2003· Earth· 23 ft tall
Low Hazard Fish And Wildlife Pond Private

Key Takeaway

Boelte No. 1 is classified as low hazard in Wyoming. It was completed in 2003 and is 23 years old. Its primary use is fish and wildlife pond.

Physical Details

Dam Height 23 ft (taller than 32.5% in WY)
Dam Length416 ft
Dam TypeEarth
Max Storage93 acre-ft
Normal Storage49 acre-ft
Surface Area9 acres
Drainage Area0 sq mi
Max Discharge390 cfs
Year Completed2003 (23 years old)
NID IDWY02358

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: August 18, 2023
State Regulated: Yes
Regulatory Agency: SEO

Ownership

MAIN PASS, LLC

Private

Nearby Dams

Boulder Lake

Sublette, WY

Significant Hazard 25 ft

Ward Ball

Sublette, WY

Low Hazard 22 ft

Fremont Lake

Sublette, WY

Low Hazard 10 ft

Soda Lake Wetlands

Sublette, WY

Low Hazard 12 ft

Frequently Asked Questions

What is the hazard classification of Boelte No. 1?

Boelte 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 Boelte No. 1?

Boelte No. 1 is owned by MAIN PASS, LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Boelte No. 1 built?

Boelte No. 1 was completed in 2003, making it 23 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 Boelte No. 1?

Boelte 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 Boelte No. 1?

Boelte No. 1 has a dam height of 23 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 Boelte No. 1 last inspected?

Boelte No. 1 was last inspected on August 18, 2023. 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.