John Deere Tcao Dam

Tr to Cedar Creek· Black Hawk, Iowa· Built 1980· Earth· 15 ft tall
Significant Hazard Flood Risk Reduction Private

Key Takeaway

John Deere Tcao Dam is classified as significant hazard in Iowa. It was completed in 1980 and is 46 years old. Its primary use is flood risk reduction. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 15 ft (taller than 4.4% in IA)
Dam Length1,250 ft
Dam TypeEarth
Max Storage75 acre-ft
Normal Storage17 acre-ft
Surface Area8 acres
Drainage Area1 sq mi
Max Discharge200 cfs
Year Completed1980 (46 years old)
Year Modified2020
NID IDIA04325

Safety Information

Significant Hazard

No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.

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: IOWA DNR

Ownership

John Deere Waterloo Works

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of John Deere Tcao Dam?

John Deere Tcao Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates John Deere Tcao Dam?

John Deere Tcao Dam is owned by John Deere Waterloo Works (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was John Deere Tcao Dam built?

John Deere Tcao Dam was completed in 1980, making it 46 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 John Deere Tcao Dam?

John Deere Tcao Dam serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is John Deere Tcao Dam?

John Deere Tcao Dam has a dam height of 15 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.

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.