Higginbotham Reservoir Dam

Tr-Banks Lake· Grant, Washington· Built 1947· Earth·
Low Hazard Irrigation Recreation Private

Key Takeaway

Higginbotham Reservoir Dam is classified as low hazard in Washington. It was completed in 1947 and is 79 years old. Its primary use is irrigation.

Physical Details

Dam Length810 ft
Dam TypeEarth
Max Storage145 acre-ft
Normal Storage145 acre-ft
Surface Area62 acres
Drainage Area14 sq mi
Max Discharge227 cfs
Year Completed1947 (79 years old)
NID IDWA00070

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: Washington Dept of Ecology

Ownership

LeonaGibson

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Higginbotham Reservoir Dam?

Higginbotham Reservoir 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 Higginbotham Reservoir Dam?

Higginbotham Reservoir Dam is owned by LeonaGibson (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Higginbotham Reservoir Dam built?

Higginbotham Reservoir Dam was completed in 1947, making it 79 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 Higginbotham Reservoir Dam?

Higginbotham Reservoir Dam serves the following purposes: Irrigation, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

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.