Boulter

BOULTER CREEK· Sublette, Wyoming· Built 1956· Earth· 21 ft tall

Key Takeaway

Boulter is classified as low hazard in Wyoming. It was completed in 1956 and is 70 years old. Its primary use is irrigation.

Physical Details

Dam Height 21 ft (taller than 26.6% in WY)
Dam Length95 ft
Dam TypeEarth
Max Storage766 acre-ft
Normal Storage563 acre-ft
Surface Area42 acres
Drainage Area3 sq mi
Max Discharge0 cfs
Year Completed1956 (70 years old)
NID IDWY01219

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 31, 2021
State Regulated: Yes
Regulatory Agency: SEO

Ownership

EAST FORK IRRIGATION ASSN. (JEP RICHIE)

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Boulter?

Boulter 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 Boulter?

Boulter is owned by EAST FORK IRRIGATION ASSN. (JEP RICHIE) (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Boulter built?

Boulter was completed in 1956, making it 70 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 Boulter?

Boulter 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 Boulter?

Boulter has a dam height of 21 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 Boulter last inspected?

Boulter was last inspected on August 31, 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.