Omaha City Reservoir Dam

TRIB BEAR CREEK· Gallatin, Illinois· Built 1965· Earth· 22 ft tall
Low Hazard Water Supply Public Utility

Key Takeaway

Omaha City Reservoir Dam is classified as low hazard in Illinois. It was completed in 1965 and is 61 years old. Its primary use is water supply.

Physical Details

Dam Height 22 ft (taller than 35.1% in IL)
Dam Length966 ft
Dam TypeEarth
Max Storage160 acre-ft
Normal Storage136 acre-ft
Year Completed1965 (61 years old)
NID IDIL00067

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: October 6, 2021
State Regulated: Yes
Regulatory Agency: IDNR

Ownership

OMAHA WATER WORKS

Public Utility

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Omaha City Reservoir Dam?

Omaha City 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 Omaha City Reservoir Dam?

Omaha City Reservoir Dam is owned by OMAHA WATER WORKS (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Omaha City Reservoir Dam built?

Omaha City Reservoir Dam was completed in 1965, making it 61 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 Omaha City Reservoir Dam?

Omaha City Reservoir Dam serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Omaha City Reservoir Dam?

Omaha City Reservoir Dam has a dam height of 22 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 Omaha City Reservoir Dam last inspected?

Omaha City Reservoir Dam was last inspected on October 6, 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.