Seymour Reservoir Dam

TR-SHOAL CREEK· Wayne, Iowa· Built 1908· Earth· 24 ft tall
Low Hazard Recreation Local Government

Key Takeaway

Seymour Reservoir Dam is classified as low hazard in Iowa. It was completed in 1908 and is 118 years old. Its primary use is recreation.

Physical Details

Dam Height 24 ft (taller than 15.8% in IA)
Dam Length890 ft
Dam TypeEarth
Max Storage258 acre-ft
Normal Storage110 acre-ft
Surface Area25 acres
Drainage Area1 sq mi
Max Discharge0 cfs
Year Completed1908 (118 years old)
NID IDIA01385

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: June 6, 2017
State Regulated: Yes
Regulatory Agency: IOWA DNR

Ownership

City of Seymour

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Seymour Reservoir Dam?

Seymour 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 Seymour Reservoir Dam?

Seymour Reservoir Dam is owned by City of Seymour (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Seymour Reservoir Dam built?

Seymour Reservoir Dam was completed in 1908, making it 118 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 Seymour Reservoir Dam?

Seymour 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 Seymour Reservoir Dam?

Seymour 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 Seymour Reservoir Dam last inspected?

Seymour Reservoir Dam was last inspected on June 6, 2017. 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.