Upper Hackett Dam

HACKETT CREEK· Natrona, Wyoming· Built 1967· Gravity·
Low Hazard Debris Control Federal Government

Key Takeaway

Upper Hackett Dam is classified as low hazard in Wyoming. It was completed in 1967 and is 59 years old. Its primary use is debris control.

Physical Details

Dam Length505 ft
Dam TypeGravity
Max Storage23 acre-ft
Normal Storage19 acre-ft
Surface Area13 acres
Drainage Area4 sq mi
Max Discharge559 cfs
Year Completed1967 (59 years old)
NID IDWY01451

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: July 22, 2017
State Regulated: Yes
Regulatory Agency: SEO

Ownership

DOI BLM

Federal Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Upper Hackett Dam?

Upper Hackett Dam 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 Upper Hackett Dam?

Upper Hackett Dam is owned by DOI BLM (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Upper Hackett Dam built?

Upper Hackett Dam was completed in 1967, making it 59 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 Upper Hackett Dam?

Upper Hackett Dam serves the following purposes: Debris Control. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

When was Upper Hackett Dam last inspected?

Upper Hackett Dam was last inspected on July 22, 2017. 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.