Old Altamont Reservoir Dam

SECOND CREEK· Effingham, Illinois· Built 1934· Earth· 24 ft tall
Low Hazard Recreation Private

Key Takeaway

Old Altamont Reservoir Dam is classified as low hazard in Illinois. It was completed in 1934 and is 92 years old. Its primary use is recreation.

Physical Details

Dam Height 24 ft (taller than 40.5% in IL)
Dam Length414 ft
Dam TypeEarth
Max Storage178 acre-ft
Normal Storage95 acre-ft
Surface Area20 acres
Drainage Area2 sq mi
Max Discharge570 cfs
Year Completed1934 (92 years old)
NID IDIL00605

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 1, 2018
State Regulated: Yes
Regulatory Agency: IDNR

Ownership

TOM KINST

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Old Altamont Reservoir Dam?

Old Altamont 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 Old Altamont Reservoir Dam?

Old Altamont Reservoir Dam is owned by TOM KINST (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Old Altamont Reservoir Dam built?

Old Altamont Reservoir Dam was completed in 1934, making it 92 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 Old Altamont Reservoir Dam?

Old Altamont Reservoir 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 Old Altamont Reservoir Dam?

Old Altamont Reservoir Dam has a dam height of 24 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 Old Altamont Reservoir Dam last inspected?

Old Altamont Reservoir Dam was last inspected on May 1, 2018. 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.