Armstrong Pond Dam

TRIB AVERY BRANCH· Bond, Illinois· Built 1974· Earth· 26 ft tall
Low Hazard Recreation Private

Key Takeaway

Armstrong Pond Dam is classified as low hazard in Illinois. It was completed in 1974 and is 52 years old. Its primary use is recreation.

Physical Details

Dam Height 26 ft (taller than 47.1% in IL)
Dam Length275 ft
Dam TypeEarth
Max Storage96 acre-ft
Normal Storage62 acre-ft
Year Completed1974 (52 years old)
NID IDIL01060

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: May 14, 2021
State Regulated: Yes
Regulatory Agency: IDNR

Ownership

BENJAMIN ARMSTRONG

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Armstrong Pond Dam?

Armstrong Pond 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 Armstrong Pond Dam?

Armstrong Pond Dam is owned by BENJAMIN ARMSTRONG (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Armstrong Pond Dam built?

Armstrong Pond Dam was completed in 1974, making it 52 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 Armstrong Pond Dam?

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

How tall is Armstrong Pond Dam?

Armstrong Pond Dam has a dam height of 26 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 Armstrong Pond Dam last inspected?

Armstrong Pond Dam was last inspected on May 14, 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.