Tim Seim Dam

Tributary of the Iowa River· Tama, Iowa· Built 2017· Earth· 25 ft tall
Low Hazard Grade Stabilization Private

Key Takeaway

Tim Seim Dam is classified as low hazard in Iowa. It was completed in 2017 and is 9 years old. Its primary use is grade stabilization.

Physical Details

Dam Height 25 ft (taller than 19.3% in IA)
Dam Length390 ft
Dam TypeEarth
Max Storage67 acre-ft
Normal Storage26 acre-ft
Surface Area4 acres
Drainage Area0 sq mi
Max Discharge93 cfs
Year Completed2017 (9 years old)
NID IDIA04270

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: IOWA DNR

Ownership

Tim Seim

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Tim Seim Dam?

Tim Seim 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 Tim Seim Dam?

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

When was Tim Seim Dam built?

Tim Seim Dam was completed in 2017, making it 9 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 Tim Seim Dam?

Tim Seim Dam serves the following purposes: Grade Stabilization. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Tim Seim Dam?

Tim Seim Dam has a dam height of 25 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.